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OVERVIEWOntologiesAgentic AIGenerative AIEthical AIAI & Automation Learning Lab

X+ Ontologies

Understanding your organization, industry, and workforce. Guiding every match and decision with clarity, context, and consistency.Book a Demo
Ontologies Hero
X+ Ontologies


  • Connect the Chaos

    Unify fragmented data from disparate sources. Every candidate, every skill, every employee, is integrated into a single knowledge structure that makes connections clear and actionable.

  • Predict What's Next

    AI that understands the unique intricacies of your business and industry. Reveals skill gaps and flight risks before they impact performance and maps career paths with clarity.

  • Leverage Intelligence, at Scale

    Hyper-personalize experiences powered by 200k+ skills, 1.1B candidate profiles, and real-time market insights. Data backing every decision.

Phenom X+ Ontologies is built on over a decade of HR data, spanning 400M jobs, 1.1B candidates, 200K skills, 570K job titles, and 50 industries.

X+ Ontologies

Built on over a decade of HR intelligence. Not empty algorithms.

  • 400M jobs

  • 1.1B candidates

  • 1K categories

  • 1.2M companies

  • 200K skills

  • 570K job titles

  • 270K schools

  • 12M locations

  • 50 industries

The AI Infrastructure

Powering HR’s Future

  • How Phenom X+ Ontologies turns disparate workforce data into structured intelligence through a unified knowledge graph.

    Knowledge Representation

    Disparate workforce data becomes structured intelligence in seconds. Every skill, role, candidate, and employee connected into a unified graph.

  • How Phenom X+ uses LLM-driven reasoning to interpret context across talent data, identifying which skills matter for each role and surfacing inferences humans might miss.

    LLM Reasoning

    Interprets context across every data point. Knows which skills actually matter for each role. Makes inferences humans might miss.

    Interprets context across every data point. Knows which skills actually matter for each role. Makes inferences humans might miss.

  • Phenom X+ Ontologies gets smarter with every hiring decision, promotion, and workforce change — building richer context as your organization evolves.

    Ontology Feedback

    Every hiring decision, promotion, and retirement event makes the system smarter. Context that becomes richer and more impactful as your organization evolves.

    Every hiring decision, promotion, and retirement event makes the system smarter. Context that becomes richer and more impactful as your organization evolves.

  • Phenom X+ Ontologies activates intelligence across your tech stack — powering applications from candidate matching and semantic search to outreach and succession planning.

    AI-Enabled Applications

    Intelligence activated across your entire tech stack. From candidate matching to succession planning.

    Intelligence activated across your entire tech stack. From candidate matching to succession planning.

  • Phenom X+ Ontologies powers specialized AI agents working in parallel — handling sourcing, coaching, planning, and predicting simultaneously.

    Multi-Agent AI

    Specialized agents working in parallel. Sourcing, coaching, planning, and predicting, all done simultaneously.

    Specialized agents working in parallel. Sourcing, coaching, planning, and predicting, all done simultaneously.

X+ Ontologies in Practice

Talent Acquisition

From scattered data to precise hiring decisions.

  • WITHOUT X+ ONTOLOGIES

    • Manual resume parsing

    • Static job descriptions

    • Time-intensive sourcing

    • Generic interview guides

    • Manual scheduling

  • WITH X+ ONTOLOGIES

    • AI agents surface best-fit candidates instantly

    • Skills requirements dynamically update jobs descriptions based on market data

    • Conversationally discover talent from 1.1B profiles

    • AI-generated guides tailored to role and evaluation criteria

    • AI Agents manage all calendar coordination across stakeholders

Talent Leader

From hidden potential to clear career paths.

  • WITHOUT X+ ONTOLOGIES

    • Manual skills tracking

    • Generic learning paths

    • Reactive retention efforts

    • Static succession planning

    • Siloed system data

  • WITH X+ ONTOLOGIES

    • Continuously updates monitors and flags skill gaps before business impact

    • Personalized career journeys for every employee

    • Predictive flight risk interventions

    • Team-level insights surface best-fit successors instantly

    • Unified intelligence across all talent stakeholders

X+ Agents powered by 
X+ Ontologies

From practical applications of agentic AI to addressing specific challenges and industry use cases, including:

  • Healthcare Sourcing Agent

    Deployed to fill critical nursing roles during staff shortages. Discovers, engages, and converts qualified candidates, building a steady pipeline of pre-screened talent.

  • Retail Scheduling Agent

    Resolves district manager's interview conflicts across multiple stores. Contacts candidates with alternatives, provides real-time updates, and follows up to maximize engagement.

  • Financial Services Talent Strategy Agent

    Generates executive dashboards for a VP developing AI growth strategies. Delivers insights on employee distribution, skills gaps, and market conditions with data-driven roadmaps.

  • Manufacturing Voice Agents

    Manages high-volume applicants for assembly line and operator roles through conversational screening. Evaluates candidates against role criteria and presents best-fit talent to recruiters.

  • Hospitality Skill Assessment Agent

    Structures situational interviews for skills-based hiring. Evaluates responses against required competencies and produces prioritized candidate lists ready for formal interviews.

  • Transportation Retention Agent

    Analyzes high attrition among logistics planners. Investigates root causes, rules out compensation issues, and identifies skill gaps—recommending personalized learning plans to improve retention.

  • Restaurant Interview Compliance Agent

    Monitors interviews for legal compliance. Sends real-time warnings about non-compliant comments and recommends training to prevent future legal issues.

  • Education Preboarding Agent

    Streamlines complex compliance for school bus drivers. Validates CDLs, physicals, and clearances—detecting errors and ensuring regulatory compliance while minimizing administrative burden.

Resources

View all
Talent acquisition professionals collaborating with AI recruiting software to improve hiring automation, recruiter productivity, and candidate experience.
BlogIntroducing the World’s Most Advanced Applied AI: Solving Real HR Challenges Across Industries, Eliminating the Gap Between Business Goals & HR Strategies
Meta HR Innovation Showcase On Demand
Track SessionTalent Experience Engine and X+ Agents: Meet the Next-Gen AI & HR Tech Innovations
Hero AI and Skills Ontologies
BlogAI and Skills Ontologies: Transforming Talent Management Across Industries

Frequently Asked Questions

X+ Ontologies are the intelligence layer that makes Phenom AI accurate rather than approximate. Built on a decade of HR data including 1.1 billion candidate profiles, 400 million jobs, 200,000 skills, and 570,000 job titles, they map how skills, roles, and experience actually relate to each other.

This is what lets Phenom AI understand context rather than just match keywords.

Phenom's ontology understands that a nurse with ICU experience is relevant for a surgical coordinator role even if the job description uses different terminology. Keyword search cannot make that inference.

The ontology knows which skills transfer, which roles are adjacent, and which experience signals actually predict success. That produces better matches than surface-level text matching.

Yes. Every hiring decision, promotion, and departure in your organization feeds back into the ontology. The system learns what good looks like in your specific context, not just in the general market.

Over time, recommendations become more specific to your organization's patterns rather than relying only on broad industry data.

The ontology spans 400 million jobs, 1.1 billion candidate profiles, 200,000 skills, 570,000 job titles, 1.2 million companies, 270,000 schools, and 50 industries.

It was built over more than fifteen years specifically for HR rather than adapted from a general knowledge base. That depth is what makes the matching accurate across diverse roles and industries.

Ontologies underpin every agent. The Sourcing Agent draws on 1.1 billion profiles to find candidates. The Career Coach Agent maps skills to progression paths. The Voice Screening Agent understands which answers signal competency for a specific role.

Without the ontology, agents would be making decisions without context. The ontology is what makes their reasoning coherent.

Discover the power of X+ Ontologies

Get a personalized demo to explore how you can align your business strategy and HR operating models with Phenom.

Book a demo

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