A set of related search queries grouped by semantic similarity, SERP overlap, or another clustering strategy.

• https://w3id.org/seovoc/keywordsCount ^dp
• https://w3id.org/seovoc/clusterVolume ^dp
• https://w3id.org/seovoc/dominantSearchIntent ^op
• https://w3id.org/seovoc/clusteredBy ^op
• https://w3id.org/seovoc/hasClusterQuery ^op

This class represents a unique URL that identifies a specific webpage. It is intended to serve as a stable and unambiguous reference to web content, ensuring consistent access to the webpage across various systems and applications. The URL should be a valid and well-formed HTTP or HTTPS address, uniquely pointing to a resource on the World Wide Web. NOT equivalent to schema.org's URL.

• https://w3id.org/seovoc/value ^dp
• https://w3id.org/seovoc/isURLOf ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A class representing a hyperlink found on a webpage. This class captures the attributes of a link and its type, such as whether the link is internal (pointing to the same domain) or external (pointing to a different domain). The Link class is crucial for understanding the structure and navigation of a website, as well as for analyzing the relationships between different web resources in the context of SEO and web development.

• https://w3id.org/seovoc/linkText ^dp
• https://w3id.org/seovoc/linkType ^dp
• https://w3id.org/seovoc/anchorResource ^op
• https://w3id.org/seovoc/isLinkOf ^op
• https://w3id.org/seovoc/keywords ^dp
• linkTargetUrl ^dp
• https://w3id.org/seovoc/noFollow ^dp
• https://w3id.org/seovoc/linkLocation ^dp
• linkRel ^dp
• linkTarget ^op
• https://w3id.org/seovoc/thumbnailUrl ^dp
• https://w3id.org/seovoc/weight ^dp

• isLinkTargetOf ^op
• https://w3id.org/seovoc/hasLink ^op
• https://w3id.org/seovoc/link ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

An Agent is any autonomous or semi-autonomous system—such as an AI model, human user, or software tool that performs actions on SEO-relevant entities (e.g. generating content, classifying queries, linking pages). Agents are responsible for producing, transforming, or evaluating outputs within SEO workflows.

• https://w3id.org/seovoc/usesTool ^op
• https://w3id.org/seovoc/agentType ^dp
• https://w3id.org/seovoc/hasPrompt ^op
• https://w3id.org/seovoc/agentVersion ^dp
• https://w3id.org/seovoc/agentID ^dp

• https://w3id.org/seovoc/isUsedByAgent ^op
• https://w3id.org/seovoc/hasAgent ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A generic ML model class for provenance traceabilit

• https://w3id.org/seovoc/modelUrl ^dp
• https://w3id.org/seovoc/isModelOfImage ^op
• https://w3id.org/seovoc/modelName ^dp

• https://w3id.org/seovoc/classifiedByModel ^op
• https://w3id.org/seovoc/hasModel ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Defines a Chunk, a self-contained section of a schema:WebPage used for vector search and structured representation

• https://w3id.org/seovoc/hasChunkQualityScore ^op
• https://w3id.org/seovoc/hasSentiment ^op
• https://w3id.org/seovoc/end ^dp
• https://w3id.org/seovoc/chunkPosition ^dp
• https://w3id.org/seovoc/hasPrimaryQuery ^op
• https://w3id.org/seovoc/isChunkOf ^op
• https://w3id.org/seovoc/chunkText ^dp
• https://w3id.org/seovoc/start ^dp
• https://w3id.org/seovoc/isChunkOfExtraction ^op
• https://w3id.org/seovoc/tokenCount ^dp
• https://w3id.org/seovoc/chunkSetName ^dp
• https://w3id.org/seovoc/chunkStrategy ^dp
• https://w3id.org/seovoc/hasIntent ^op
• https://w3id.org/seovoc/chunkID ^dp

• https://w3id.org/seovoc/hasExtractedChunk ^op
• https://w3id.org/seovoc/hasChunk ^op
• https://w3id.org/seovoc/isChunkQualityScoreOf ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Represents a relevant but missing entity that should be added to content to enhance semantic coverage and SEO performance

• https://w3id.org/seovoc/entitygapText ^dp
• https://w3id.org/seovoc/entityDescription ^dp
• https://w3id.org/seovoc/occurrences ^dp
• https://w3id.org/seovoc/entityDateCreated ^dp
• https://w3id.org/seovoc/isEntityGapOf ^op
• https://w3id.org/seovoc/entityID ^dp
• https://w3id.org/seovoc/entityLabel ^dp
• https://w3id.org/seovoc/serpPosition ^dp
• https://w3id.org/seovoc/confidence ^dp
• https://w3id.org/seovoc/locationName ^dp
• https://w3id.org/seovoc/entityType ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

• A class representing the anchor text of a hyperlink, which is the clickable text displayed for a link on a webpage. This class captures the textual content used to describe the target of the link, often influencing search engine optimization (SEO) and user experience. The AnchorText class is important for understanding how links are represented in the context of a webpage and how they contribute to the navigation and relevance of the content

• DEPRECATED: anchor text is carried by seovoc:linkText. influencedByQuery should be relocated to an analysis node; that relocation is a separate proposal. anchorValue and influencedByQuery are retained unchanged until then.

• https://w3id.org/seovoc/influencedByQuery ^op
• https://w3id.org/seovoc/anchorValue ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

true

A dedicated class for modeling the subject or main theme of a web page or content segment. It can represent an entity, theme, or abstract concept the content is centered on

• https://w3id.org/seovoc/topicName ^dp
• https://w3id.org/seovoc/isMainTopicOf ^op
• https://w3id.org/seovoc/topicID ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

• https://w3id.org/seovoc/AnalyzeAction ^c
• https://w3id.org/seovoc/ExtractAction ^c

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Represents an overall content quality evaluation

• https://w3id.org/seovoc/keywordOptimizationScore ^dp
• https://w3id.org/seovoc/contentPurposeScore ^dp
• https://w3id.org/seovoc/contentAccuracyScore ^dp
• https://w3id.org/seovoc/isChunkQualityScoreOf ^op
• https://w3id.org/seovoc/isQualityScoreOf ^op
• https://w3id.org/seovoc/readabilityScore ^dp
• https://w3id.org/seovoc/contentDepthScore ^dp

• https://w3id.org/seovoc/hasChunkQualityScore ^op
• https://w3id.org/seovoc/hasQualityScore ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

An analytics traffic source as reported by the producing dataset (for example a GA4 session source string such as 'google', '(direct)' or 'chatgpt.com'). The source string is the observation; its interpretation is carried by hasTrafficChannel.

Andrea Volpini

The Action class from Schema.org

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

• https://w3id.org/seovoc/hasModel ^op
• https://w3id.org/seovoc/hasLanguage ^op
• https://w3id.org/seovoc/aiGeneratedFileName ^dp
• https://w3id.org/seovoc/isImageOf ^op
• https://w3id.org/seovoc/captionQualityScore ^dp
• https://w3id.org/seovoc/aiGeneratedCaption ^dp

• https://w3id.org/seovoc/isModelOfImage ^op
• https://w3id.org/seovoc/isLanguageOfImage ^op
• https://w3id.org/seovoc/hasImage ^op

A class representing a search query. Instances of this class encapsulate the parameters, conditions, and terms submitted to a search engine by users or systems. This class is fundamental to modeling and analyzing search behavior, including keyword selection, query intent, and search patterns in the context of SEO.

• score28Days ^dp
• https://w3id.org/seovoc/keywordType ^dp
• https://w3id.org/seovoc/hasIntent ^op
• https://w3id.org/seovoc/hasEntityGap ^op
• score7Days ^dp
• https://w3id.org/seovoc/forecastedTraffic ^dp
• https://w3id.org/seovoc/averagePositon7Days ^dp
• https://w3id.org/seovoc/hasSentiment ^op
• https://w3id.org/seovoc/queryCategory ^dp
• score3Months ^dp
• https://w3id.org/seovoc/isPrimaryQueryOf ^op
• https://w3id.org/seovoc/isQueryOf ^op
• https://w3id.org/seovoc/queryDateCreated ^dp
• https://w3id.org/seovoc/isClusterQueryOf ^op
• https://w3id.org/seovoc/queryType ^dp

• https://w3id.org/seovoc/hasPrimaryQuery ^op
• https://w3id.org/seovoc/isEntityGapOf ^op
• https://w3id.org/seovoc/influencedByQuery ^op
• https://w3id.org/seovoc/hasClusterQuery ^op
• https://w3id.org/seovoc/hasQuery ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A reusable conceptual entity representing the purpose of a query or content chunk

• https://w3id.org/seovoc/classificationConfidence ^dp
• https://w3id.org/seovoc/googleCategory ^dp
• https://w3id.org/seovoc/isIntentOf ^op
• https://w3id.org/seovoc/searchStage ^dp

• https://w3id.org/seovoc/dominantSearchIntent ^op
• https://w3id.org/seovoc/hasIntent ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A domain or subdomain (e.g., example.com, blog.example.com)

• https://w3id.org/seovoc/domainName ^dp
• https://w3id.org/seovoc/hasPageInDomain ^op

• https://w3id.org/seovoc/isPartOfDomain ^op
• https://w3id.org/seovoc/hasDomain ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

General-purpose analysis action that can evaluate any aspect of web resources including content quality, performance, accessibility, security, technical SEO, and other measurable characteristics.

• https://w3id.org/seovoc/analysisScope ^dp
• https://w3id.org/seovoc/analysisMethod ^dp
• https://w3id.org/seovoc/analysisType ^dp
• https://w3id.org/seovoc/hasAnalysisTarget ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Represents a structured natural language input used to guide AI models in generating or transforming SEO-relevant content. It serves as a semantic instruction or query that elicits specific types of responses from generative or analytical AI systems, including but not limited to content generation, classification, rewriting, summarization, and entity extraction.

• https://w3id.org/seovoc/promptDate ^dp
• https://w3id.org/seovoc/issuedBy ^op
• https://w3id.org/seovoc/content ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A collection of related links within a webpage, typically grouped by placement or function, such as navigation menus, footers, or sidebars. It helps structure internal linking and improves discoverability.

• https://w3id.org/seovoc/isLinkGroupOf ^op
• linkGroupType ^dp
• https://w3id.org/seovoc/linkGroupName ^dp
• https://w3id.org/seovoc/linkgroupID ^dp
• https://w3id.org/seovoc/hasLink ^op
• linkGroupID ^dp

• https://w3id.org/seovoc/isLinkOf ^op
• https://w3id.org/seovoc/hasLinkGroup ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A conceptual entity representing the emotional polarity (e.g., positive, negative) of a query or content chunk

• https://w3id.org/seovoc/classificationConfidence ^dp
• https://w3id.org/seovoc/isSentimentOf ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Represents systematic extraction of structured or unstructured information from web content, including entity extraction, fact retrieval, data mining, and relationship identification. Distinct from summarization by focusing on specific information retrieval rather than content condensation.

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Natural languages such as Spanish, Tamil, Hindi, English, etc

• https://w3id.org/seovoc/languageRegion ^dp
• https://w3id.org/seovoc/languageCode ^dp
• https://w3id.org/seovoc/isLanguageOfImage ^op
• https://w3id.org/seovoc/languageName ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A reusable page-purpose or content classification for a WebPage, represented by individuals and kept independent from A/B-testing PageGroup cohorts.

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A governed channel classification for traffic sources: how a visit reached the site. Typical individuals (defined by the consuming application): organic-search, paid, direct, referral, social, email, affiliate, ai-assistant, unclassified. The ai-assistant channel names referrals from conversational AI surfaces (chatgpt.com, perplexity.ai, gemini.google.com), which existing analytics vocabularies cannot distinguish from generic referrals.

Andrea Volpini

A declarative profile describing structured-data graph expectations that may be selected for a WebPage and implemented by downstream validation or generation resources.

• has applicable structured data profile ^op
• generated using structured data profile ^op
• uses structured data profile ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A web page. Every web page is implicitly assumed to be declared to be of type WebPage, so the various properties about that webpage, such as breadcrumb may be used. We recommend explicit declaration if these properties are specified, but if they are found outside of an itemscope, they will be assumed to be about the page.

• https://w3id.org/seovoc/isPageOf ^op
• https://w3id.org/seovoc/hasImage ^op
• https://w3id.org/seovoc/internalLinkCount ^dp
• https://w3id.org/seovoc/readabilityGradeLevel ^dp
• https://w3id.org/seovoc/score ^dp
• https://w3id.org/seovoc/embeddingModel ^dp
• https://w3id.org/seovoc/embeddingText ^dp
• https://w3id.org/seovoc/markdownText ^dp
• https://w3id.org/seovoc/hasDomain ^op
• https://w3id.org/seovoc/externalLinkCount ^dp
• https://w3id.org/seovoc/hasChunk ^op
• https://w3id.org/seovoc/intent ^dp
• https://w3id.org/seovoc/hasPersona ^op
• https://w3id.org/seovoc/title ^dp
• https://w3id.org/seovoc/about ^op
• https://w3id.org/seovoc/h5 ^dp
• https://w3id.org/seovoc/embeddingValue ^dp
• https://w3id.org/seovoc/engagementRate ^dp
• https://w3id.org/seovoc/seoScore ^dp
• https://w3id.org/seovoc/conversions ^dp
• https://w3id.org/seovoc/h4 ^dp
• https://w3id.org/seovoc/link ^op
• https://w3id.org/seovoc/hasSchemaMarkup ^op
• https://w3id.org/seovoc/versionID ^dp
• https://w3id.org/seovoc/averageEngagementTime ^dp
• https://w3id.org/seovoc/sessions ^dp
• https://w3id.org/seovoc/h2 ^dp
• https://w3id.org/seovoc/hasMainTopic ^op
• https://w3id.org/seovoc/clickDepth ^dp
• has page type ^op
• https://w3id.org/seovoc/impressions ^dp
• https://w3id.org/seovoc/bodyText ^dp
• https://w3id.org/seovoc/crawlable ^dp
• https://w3id.org/seovoc/evaluationID ^dp
• https://w3id.org/seovoc/lastModified ^dp
• https://w3id.org/seovoc/urlSlug ^dp
• https://w3id.org/seovoc/h1 ^dp
• https://w3id.org/seovoc/customField ^dp
• https://w3id.org/seovoc/users ^dp
• uses structured data profile ^op
• https://w3id.org/seovoc/menu ^dp
• https://w3id.org/seovoc/isPartOfDirectorySegment ^op
• https://w3id.org/seovoc/totalLinkCount ^dp
• https://w3id.org/seovoc/changeFrequency ^dp
• https://w3id.org/seovoc/engagedSessions ^dp
• https://w3id.org/seovoc/hasLinkGroup ^op
• https://w3id.org/seovoc/metaDescription ^dp
• https://w3id.org/seovoc/metaTitle ^dp
• https://w3id.org/seovoc/trafficSource ^dp
• https://w3id.org/seovoc/sourceCode ^dp
• https://w3id.org/seovoc/hasPathRoot ^op
• https://w3id.org/seovoc/mentions ^op
• https://w3id.org/seovoc/hasQuery ^op
• https://w3id.org/seovoc/lastDirectory ^dp
• https://w3id.org/seovoc/isPartOfDomain ^op
• https://w3id.org/seovoc/incomingLinkCount ^dp
• https://w3id.org/seovoc/landingPage ^dp
• https://w3id.org/seovoc/priorityScore ^dp
• https://w3id.org/seovoc/clicks ^dp
• https://w3id.org/seovoc/bounceRate ^dp
• https://w3id.org/seovoc/slugNgram ^dp
• https://w3id.org/seovoc/internalPageRank ^dp
• https://w3id.org/seovoc/h3 ^dp
• https://w3id.org/seovoc/status ^dp
• https://w3id.org/seovoc/heading ^dp
• https://w3id.org/seovoc/averagePosition ^dp
• https://w3id.org/seovoc/publishingDate ^dp
• https://w3id.org/seovoc/hasQualityScore ^op
• https://w3id.org/seovoc/hasURL ^op
• https://w3id.org/seovoc/ctr ^dp
• https://w3id.org/seovoc/isContainedInSegment ^op
• https://w3id.org/seovoc/h6 ^dp
• https://w3id.org/seovoc/hasPrimaryQuery ^op

• https://w3id.org/seovoc/isDescribedBy ^op
• https://w3id.org/seovoc/hasPage ^op
• https://w3id.org/seovoc/isRootOfWebpage ^op
• https://w3id.org/seovoc/hasSegmentPage ^op
• https://w3id.org/seovoc/isImageOf ^op
• https://w3id.org/seovoc/isPrimaryQueryOf ^op
• https://w3id.org/seovoc/isMainTopicOf ^op
• https://w3id.org/seovoc/describesPage ^op
• https://w3id.org/seovoc/isQualityScoreOf ^op
• https://w3id.org/seovoc/isPersonaOf ^op
• https://w3id.org/seovoc/isLinkGroupOf ^op
• https://w3id.org/seovoc/isChunkOf ^op
• https://w3id.org/seovoc/isURLOf ^op
• https://w3id.org/seovoc/isQueryOf ^op
• https://w3id.org/seovoc/hasPageInDomain ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A representation of a specific audience or user group defined by key characteristics, including their role, brand association, age range, gender, location, problems they aim to solve, and preferred devices. This class is used to tailor content or strategies to meet the needs and expectations of these target personas.

• https://w3id.org/seovoc/preferredDevice ^dp
• https://w3id.org/seovoc/isPersonaOf ^op
• https://w3id.org/seovoc/ageRange ^dp
• https://w3id.org/seovoc/role ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A top-level or intermediate directory segment in a URL path (e.g., /products/)

• https://w3id.org/seovoc/hasSegmentPage ^op
• https://w3id.org/seovoc/hasChildSegment ^op
• https://w3id.org/seovoc/isRootOfWebpage ^op
• https://w3id.org/seovoc/hasParentSegment ^op
• https://w3id.org/seovoc/segmentDepth ^dp
• https://w3id.org/seovoc/directoryLabel ^dp
• https://w3id.org/seovoc/rootSegmentFlag ^dp
• https://w3id.org/seovoc/fullSegmentPath ^dp

• https://w3id.org/seovoc/hasChildSegment ^op
• https://w3id.org/seovoc/hasPathRoot ^op
• https://w3id.org/seovoc/hasParentSegment ^op
• https://w3id.org/seovoc/isPartOfDirectorySegment ^op
• https://w3id.org/seovoc/isContainedInSegment ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A software application, platform, or instrument used to perform SEO analysis, content evaluation, or web assessment. Tools are utilized by Agents to execute specific analysis tasks and generate measurable outputs.

• https://w3id.org/seovoc/toolName ^dp
• https://w3id.org/seovoc/toolUrl ^dp
• https://w3id.org/seovoc/isUsedByAgent ^op
• https://w3id.org/seovoc/toolType ^dp

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

The Person class from Schema.org

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

• https://w3id.org/seovoc/Persona ^c
• https://w3id.org/seovoc/Employee ^c

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

This class represents schema markup, a form of structured data that defines the semantic relationships between entities on a webpage. Schema markup is used to enhance the understanding of web content by search engines and other applications, facilitating better indexing, richer search results, and improved interoperability across different systems. This class provides a framework for describing the types, properties, and relationships that constitute schema markup, enabling consistent and meaningful representation of web content.

• https://w3id.org/seovoc/describesPage ^op
• https://w3id.org/seovoc/schemaValue ^dp
• generated using structured data profile ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A class representing in which A/B testing group does the page belong: control A, control B, test A, test B and so on.

• https://w3id.org/seovoc/groupType ^dp
• https://w3id.org/seovoc/pageGroupName ^dp
• https://w3id.org/seovoc/hasPage ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

The WebPage class from Schema.org

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

The method, model, or algorithm used to group queries into a QueryCluster.

• The Thing class from Schema.org

• should i use the URI to define exact match or create schema -alike classes?

• https://w3id.org/seovoc/isThinContent ^dp
• isLinkTargetOf ^op

• linkTarget ^op
• https://w3id.org/seovoc/mentions ^op
• https://w3id.org/seovoc/about ^op

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

A type of Person, defined in SEOntology

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Records a StructuredDataProfile explicitly selected for a WebPage after application-level grounding and policy checks.

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Indicates the language used in the generated or translated caption

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Compatibility shortcut linking a WebPage directly to an ungrouped or raw extracted Link. For structured navigational link groups, prefer hasLinkGroup from WebPage to LinkGroup and hasLink from LinkGroup to Link.

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

• Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

• Segment contains this webpage

Points to the parent directory in the hierarchy (e.g. /blog/seo/ → /blog/)

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

issuedBy links a Prompt to the Employee who authored, formulated, or issued it. It captures the origin and authorship of instructional input, supporting traceability, collaboration, and evaluation in SEO workflows.

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Assigns a TrafficSource to its governed TrafficChannel. One source, one channel; sources an application cannot classify should carry an explicit 'unclassified' channel rather than no assertion.

Andrea Volpini

Links a QueryCluster to the ClusteringStrategy used to generate it.

The influencedByQuery property defines the relationship between AnchorText and the Query that may shape or determine the choice of that anchor text. It highlights how specific search queries can influence the wording and selection of anchor texts within a WebPage, reflecting SEO strategies aimed at optimizing link relevance and search engine visibility. This property is vital for understanding the interplay between user search behavior and content creation, particularly in the context of link building and on-page SEO

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Connects a WebPage to one or more LinkGroups that organize its internal links (e.g., navigation menus, sidebar sections, related content blocks). Enables grouping of links by purpose or position on the page

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Inverse of hasMainTopic; links a topic to the pages where it is featured

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Links a content unit to its classified intent

• Query ^c
• https://w3id.org/seovoc/Chunk ^c

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

The hasQuery property represents the relationship between a WebPage and the Query that leads users to that page. It indicates that the WebPage is relevant or has been optimized for the specified Query. This relationship is crucial for understanding SEO dynamics, as it reflects the connection between user search behavior and web content.

Andrea Volpini, David Riccitelli, Emilija Gjorgjevska, Milos Jovanovik

Relates the sentiment to the piece of content to which the sentiment applies

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Indicates the domain or subdomain to which the page belongs

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Links a Chunk to the parent WebPage it belongs to, defining the document structure

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Defines the relationship between a search query (seovoc:Query) and the webpage (seovoc:WebPage) for which it serves as the main or most relevant query

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Defines the relationship between a LinkGroup and the individual links it contains, helping to structure internal and external linking within a webpage

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Inverse of hasParentSegment; points to subsegments

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Inverse of hasURL. Connects a URL to the web page it represents

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Inverse of hasQuery. Indicates which web page a query relates to

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Each webpage has an entity of type Thing: Person, Location, LocalBusiness etc.

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• hasPrompt links an entity (such as a Task, Agent, or Query) to a specific Prompt that guides or constrains the behavior of an Agent. It expresses the dependency on a natural language instruction or template used to initiate or shape an AI-driven action.

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Links a content unit to its classified sentiment

• https://w3id.org/seovoc/Chunk ^c
• Query ^c

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Links an instance of Intent or Sentiment to the model that classified it

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Inverse of hasAnalysisTarget. Links content units (WebPage or Chunk) back to the AnalyzeAction instances that examine them, enabling reverse navigation from content to its analysis activities and supporting queries that identify all analysis operations performed on specific content segments.

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Indicates the directory segment of the page’s URL

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The usesSchema property describes the relationship between a WebPage and the Schema it employs. The Schema class represents structured data, such as JSON-LD, Microdata, or RDFa, that is embedded in the webpage to provide search engines and other tools with enhanced information about the content.

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Inverse property of seovoc:hasLink, linking a Link back to its parent LinkGroup. Legacy data that linked a Link directly to a WebPage should use seovoc:link for ungrouped links or introduce a LinkGroup connected from the page with seovoc:hasLinkGroup.

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Indicates a root segment responsible for a page

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Inverse of about. Points from an entity to the page that describes it

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Inverse of hasLanguage; returns images captioned in the given language

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Links a Prompt, AnalyzeAction, or other SEO workflow entity to the Agent responsible for executing or generating it. It captures accountability and provenance within SEO workflows, identifying who or what performed the action, issued the instruction, or conducted the analysis.

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The hasQuery property represents the relationship between a WebPage and the PageGroup class, designed to help identify in which group type, A/B testing-wise the group belongs to.

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Indicates the WebPage that is described by this schema markup block. Useful for linking structured data to content

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Inverse of seovoc:hasQualityScore. Links a quality score instance back to the web page it evaluates

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Indicates which top-level segment a page belongs to

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Inverse of usesTool. Links a Tool back to the Agent(s) that utilize it.

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Connects an image to the model used to generate its caption

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Inverse of hasModel; identifies images a model has been used for

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Inverse of hasPersona. Links a persona to the page it is associated with

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Defines the relationship between a LinkGroup and the WebPage it belongs to, helping structure internal linking and improve content organization

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Inverse property of hasChunkQualityScore that links a QualityScore instance back to the specific Chunk it evaluates. This relationship enables navigation from quality assessment results to their corresponding content segments, facilitating analysis workflows that need to identify which chunk produced particular quality metrics. Essential for content optimization systems that require traceability between quality scores and their source content segments within automated SEO and content analysis pipelines.

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• Points to an entity representing the linked content, useful for dereferencing in GraphQL

• DEPRECATED: use seovoc:linkTarget. Retained for backward compatibility with existing data.

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true

This object attribute helps us with the querying process of queries equal to certain text

• https://w3id.org/seovoc/Chunk ^c
• WebPage ^c

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Inverse: Links intent to the content units it classifies

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Links an entity gap to the query or analysis context it belongs to

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Inverse of hasPage. Indicates which page group a web page belongs to

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Enables navigation from content chunks to all extraction actions that have analyzed them for information retrieval.

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Inverse of hasImage; links an image back to its source page

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Links the page to its evaluation result

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The hasURL property establishes a unique and reciprocal relationship between a WebPage and its corresponding URL. It asserts that each WebPage is identified by exactly one URL, and conversely, each URL uniquely identifies one WebPage. As both a functional and inverse functional property, hasURL ensures that this link is both unique and bidirectional, which is critical for accurately representing the identity and accessibility of web content

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Inverse of hasClusterQuery; links a Query to the QueryCluster it belongs to.

Links a schema:WebPage to one or more Chunks representing segmented parts of the page

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Each webpage has a main entity of type Thing: Person, Location, LocalBusiness etc.

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Indicates the segment that contains a web page

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Establishes the relationship between an extraction operation and the content chunks it analyzes to retrieve specific information.

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Identifies a candidate StructuredDataProfile applicable to a PageType without implying selection, generation, validation, or conformance.

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Domain contains this webpage

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Links an Agent to the Tool(s) they employ to perform analysis actions. This relationship captures the instrumental means by which agents execute their analytical tasks.

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Relates a query or context to the entity gaps identified in its content

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Connects the web page to its central semantic subject

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The resolved destination of a hyperlink: a seovoc:WebPage when the destination is in the graph, a seovoc:URL node, or the entity the destination represents.

Assigns a reusable page-purpose or content PageType classification to a WebPage.

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Inverse of seovoc:linkTarget. Need not be materialised in data.

Associates a webpage with a target persona, representing the intended audience based on characteristics such as interests, demographics, or behavior

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Links a QueryCluster to a Query that belongs to the cluster without overloading hasQuery, which remains scoped to WebPage and Query relationships.

Links a QueryCluster to the dominant Intent shared by its member queries.

Establishes the relationship between a Chunk and its associated QualityScore assessment. This property enables quality evaluation at the content segment level, allowing for granular analysis of individual text portions within a webpage. Unlike page-level quality assessment, chunk-level scoring focuses on the coherence, relevance, and quality characteristics of specific content segments, supporting fine-grained content optimization and automated content analysis workflows.

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Records the StructuredDataProfile used to generate a Schema artifact. This generation provenance does not assert validation or conformance.

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Specifies the content unit (WebPage or Chunk) that is being analyzed by an AnalyzeAction. This property enables flexible analysis workflows that can operate at different granularities - from full webpage assessment to focused chunk-level evaluation. Essential for tracking which specific content segments are subject to automated quality analysis, performance evaluation, or SEO assessment within content optimization pipelines.

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The weight of the link, useful for ranking or tag clouds

• SEO Vocabulary

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Landing page path or identifier associated with a WebPage in the measurement context supplied by the producing GA4 dataset.

The name of the NLP embedding model used to create vectorized version of the content.

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Describes the chunking strategy applied to split the document (e.g., "Semantic Segmentation", "Fixed-Length", "Sentence-based")

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Text used as the anchor for the hyperlink

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Used in automated sitemap generation and crawl scheduling to prioritize the discovery and indexing of pages that are central to the website's architecture or frequently updated

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The human-readable name of the LinkGroup, typically reflecting its function or placement on a webpage (e.g., 'Footer Links', 'Sidebar Menu', 'Main Navigation')

• https://w3id.org/seovoc/domainName ^dp
• https://w3id.org/seovoc/linkGroupName ^dp
• https://w3id.org/seovoc/topicName ^dp
• https://w3id.org/seovoc/employeeName ^dp
• https://w3id.org/seovoc/toolName ^dp
• https://w3id.org/seovoc/pageGroupName ^dp
• https://w3id.org/seovoc/languageName ^dp

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Represents a Markdown-formatted version of a webpage’s content, specifically structured for Large Language Model (LLM) processing, meant for efficient tokenization and retrieval-augmented generation (RAG) in AI applications

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Number of links that point to external domains

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The average number of clicks the pages have for a given time period.

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Numeric score indicating the quality of the AI-generated caption

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The trend of the clicks when we compare 28Days to 3Months period.

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The position of an item in a series or sequence of items

• https://w3id.org/seovoc/averagePosition28DaysTo3MonthsTrend ^dp
• https://w3id.org/seovoc/averagePositon7Days ^dp
• averagePosition7Days ^dp
• https://w3id.org/seovoc/chunkPosition ^dp
• https://w3id.org/seovoc/averagePosition3Months ^dp
• https://w3id.org/seovoc/averagePosition ^dp
• https://w3id.org/seovoc/serpPosition ^dp
• https://w3id.org/seovoc/averagePosition7DaysTo3MonthsTrend ^dp
• https://w3id.org/seovoc/averagePosition28Days ^dp
• averagePosition6Months ^dp
• https://w3id.org/seovoc/averagePosition7DaysTo28DaysTrend ^dp

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PageRank score computed based on internal link structure

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The human-readable label of the missing entity

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Optional tertiary heading (

)

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Indicates the depth level of a directory segment within a URL path hierarchy

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The HTTP status (response code) of the Webpage itself

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Represents any on-page heading element, from

to

, allowing generalized access to a page’s structural content hierarchy

• https://w3id.org/seovoc/h4 ^dp
• https://w3id.org/seovoc/h2 ^dp
• https://w3id.org/seovoc/h1 ^dp
• https://w3id.org/seovoc/h3 ^dp
• https://w3id.org/seovoc/h5 ^dp
• https://w3id.org/seovoc/h6 ^dp

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The click through rate trend of 7Days to 3Months period

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Optional heading level 5 (

)

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The trend of the clicks when we compare 7Days to 28Days period

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Indicates the version number for the agent

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The actual vector value for the embedding itself.

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Specifies the type of query a user is performing, which must belong to a predefined set of query categories. These categories include: Popular, Long-tail, Dynamic, Multi-hop, Analytical, Commonsense, Causal, Exploratory, Instructive, Recommendation, Spatio-temporal, Lifestyle, Cultural, and Philosophical.

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The trend of the clicks when we compare 7Days to 3Months period

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• A unique string identifier for distinguishing individual resources, such as link groups

• DEPRECATED: misnamed IRI, and ranged xsd:int against its own definition. Use seovoc:linkGroupID.

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true

A specific function, position, or responsibility associated with a persona within a given context. This class defines how a persona interacts with a system, organization, or content, influencing their goals and actions.

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The order of the chunk on the webpage, starting from 1 for the first chunk. Useful for reconstructing the document from its parts or presenting chunks in context

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Ratio or percentage of sessions that were engaged for a WebPage in the measurement context supplied by the producing GA4 dataset.

Label from Google's categorization (e.g., SHORT_FACT, REASON, DEFINITION)

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The average click through rate (CTR) of the query for a given time period

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Full relative URL path of the segment (e.g. /blog/seo/)

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The raw HTML of the webpage itself.

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Indicates if this is the top-level segment in the site's hierarchy

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Web-accessible URI pointing to the tool's homepage, documentation, or registry entry.

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A list of keywords associated with the specific link, aiding semantic classification

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The text of the anchor tied to the link itself

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The ranking position for 3 Months on SERPs

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Number of conversion events attributed to a WebPage in the measurement context supplied by the producing GA4 dataset.

Score for content purpose alignment

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Number of links that point to the same domain as the current page

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A human-readable name that identifies the purpose or semantic meaning of a directory segment within a website’s URL structure (e.g. "/blog", "/products", "/guides")

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Optional heading level 4 (

)

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The governed placement type of a LinkGroup. Expected values: header, footer, body, sidebar, navigation. Complements linkGroupName, which carries the free-text display name; linkGroupType is the machine-checkable axis consumers can gate on (for example excluding header/footer boilerplate from editorial link analysis).

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Indicates whether a schema:Thing has been classified as thin content by an evaluating system. This is a mutable evaluation signal, not an immutable type.

The average ranking position on SERPs for a 7 days period. Attachable at query level or page level. Correctly-spelled replacement for the deprecated averagePositon7Days.

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Unique identifier for the agent

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Regional variant (e.g., en-US)

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ISO 639-1 or 639-2 code

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The content of the Prompt itself

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The ranking position trend of 7Days to 3Months on SERPs

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Method used for performing the analysis. Examples: 'automated' for tool-based analysis without human intervention, 'manual' for human-conducted evaluation, 'hybrid' for combined automated and manual review, 'ai-based' for LLM or machine learning analysis, 'tool-based' for analysis using specific software tools like Lighthouse or PageSpeed Insight.

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A unique string identifier for distinguishing individual resources, such as missing entity

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Web-accessible URI pointing to the model, documentation, or registry entry

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The impressions of the webpage for a 3 months time period

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The click through rate for 28 days period

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