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State of the Art Ontology Mapping

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Presentation on theme: "State of the Art Ontology Mapping"— Presentation transcript:

1 State of the Art Ontology Mapping
By Justin Martineau

2 Overview Motivation Theory Practice PROMPT for Protégé

3 Motivation Ontology Mapping Benefits: Business
Better communication with subcontractors Artificial Intelligence Researchers Source of Training Data Way to share learning results Programmers Tool to make better applications Laymen Indirectly through Tools Ex: Tool for comparison of Similar Products

4 Theory Applicable Techniques: Machine Learning
Natural Language Processing Heuristics Database Schema Merging Formal Concept Analysis (Produce a Concept Lattice) Cluster into Objects with same subset of properties & Properties belonging to object clusters

5 Practice FCA-Merge - uses Formal Concept Analysis, & NLP
IF-Map - uses thy of info flow (Barwise & Seligman 97) SMART - uses linguistic similarity and heuristics PROMPT - uses linguistic similarity and heuristics GLUE - uses ML, Meta-Learning, Naïve Bayes, Relaxation Labeling … CAIMAN - uses ML, text classification and probability ITTalks - uses text classification, and Bayesian reasoning ONION - uses Heuristics, user checks input, ML of user choices ConceptTool - uses Description Logic, linugistics, heuristics

6 Prompt for Protégé Many Different Tools
iPrompt - Ontology-mergering tool AnchorPrompt - Ontology-alignment tool PromptDiff - Ontology-versioning tool PromptFactor - Determine semantic sub-ontologies

7 Prompt Architecture

8 iPrompt Ontology-Merging Flowchart

9 iPrompt UI Suggestions ordered based on last operation to maintain user’s focus Can prefer one Ontology over another, so conflicts are resolved in its favor Suggestions are Explained Logs operations, Log can be open an applied.

10 Ex: Merging 2 Ontologies
Before Starting the Merger

11 Ex: Merging 2 Ontologies
An Empty Ontology with a list of suggestions

12 Ex: Merging 2 Ontologies
Person Class added, Receives slots from both Ontologies

13 iPrompt Conflicts Name Conflict Dangling Pointers (Suggests Importing)
Class Hierarchy Redundancy Slot Value Restriction Violations

14 PromptDiff - Ontology Version Tracking
Unix Diff doesn’t work well with Ontologies Heuristic Algorithm Produces Structured Diff Representation

15 Ex: Wine Ontology

16 Questions Figures and Images from:
The PROMPT Suite: Interactive Tools For Ontology Merging And Mapping

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