The document discusses a workshop on ontology creation, extraction, and maintenance. Specifically, it summarizes the features of the AOS/CS Workbench which is a tool that supports terminology work through features like text processing, corpus creation and analysis, term and relationship management, and quality assurance. It also discusses using the tool for versioning and deployment as well as technical details and potential training workshops.

1. Ontologies
creation,
extraction and
maintenance
Ontology creation, extraction, and
6th AOS
Workshop
maintenance
Vial Real
(Portugal)
26-27 July
2005
Food and
Agriculture
Organization of
the UN 6th AOS Workshop
Library and Vial Real (Portugal)
Documentation
Systems Division 26-27 July 2005
Discussion forum n.1
Chair: Anita Liang
July 2005

2. The AOS/CS Workbench
Ontologies
creation,
extraction and
maintenance
• Support and manage the multi-language
terminology work of information
6th AOS
Workshop management specialists in the
Vial Real
(Portugal) development, maintenance, and quality
26-27 July
2005 assurance of the AOS/CS
Food and
Agriculture
Organization of
the UN
Library and
Documentation
Systems Division
July 2005

3. The AOS/CS Workbench
Ontologies
creation,
extraction and
maintenance
• Features
– Text processing
6th AOS
Workshop – Corpus Creation
Vial Real
(Portugal) – Corpus Analysis
26-27 July
2005
– Term/Relationship Management
Food and
Agriculture
Organization of – Quality Assurance
the UN
Library and
Documentation
– Versioning and Deployment
Systems Division
July 2005

4. Concept Hierarchy
Ontologies
creation,
extraction and
maintenance
text corpus
6th AOS .doc, .pdf,
Workshop
.xml, etc.
Vial Real
(Portugal)
26-27 July
2005
Food and
Agriculture
Organization of
the UN
Library and
Documentation
Systems Division
AOS/CS Workbench
concordance
July 2005 pattern-matching
multilingual

5. Tool features: Text Processing Capabilities
Ontologies
creation,
extraction and
maintenance
• Multilingual
• Font support for Chinese and Arabic at
6th AOS
Workshop minimum, also Lao, Thai
Vial Real
(Portugal)
26-27 July
• Other
2005
Food and – Entity extraction
Agriculture
Organization of
the UN – POS tagging
– Parsing
Library and
Documentation
Systems Division
July 2005

6. Tool Features: Corpus Creation and Maintenance
Ontologies
creation,
extraction and
maintenance
• Spidering tools
(http://www.manageability.org/blog/stuff/open-
source-web-crawlers-java/view)
6th AOS
Workshop • Document input and storage
Vial Real
(Portugal) – .doc, .pdf, .html, .xml
26-27 July
2005 • Text extraction (http://multivalent.sourceforge.net/)
Food and
Agriculture
Organization of
• Domain-specific repositories
the UN
– specifiable: agriculture, chemistry
Library and
Documentation
Systems Division
– combine and remove
July 2005

7. Tool Features: Corpus Analysis
Ontologies
creation,
• Text file management
extraction and
maintenance
– Add/delete files
– Add/delete Directories
– Add/delete URLs
• Search:
– Word (or part-word) or phrase; string, regular expression, tag search
6th AOS – Number of hits
Workshop – Case (in)sensitive
Vial Real • Display:
(Portugal)
– hide keyword option
26-27 July
2005 – toggle between a KWIC format and sentence mode
Food and • Sorting
Agriculture – 1L (First Left), 1R, 2L, 2R, as well as by search word and by text order;
Organization of
the UN – primary and secondary sorts (e.g., first right, then first left).
Library and • Frequency information
Documentation – display in alphabetical or frequency order of words
Systems Division
• Collocates
– Search collocates of spans from 1L-1R to 4L-4R
– Collocate highlighting
• Output: The concordance results can be saved to a file and/or printed.
July 2005
• Pattern-matching with pattern language
• Other: pattern-matching using POS tags, parallel text concordancing

8. Tool Features: Automatic KOS Search
Ontologies
creation,
extraction and
maintenance
• Specify online KOS URLs
• Automatic suggested parent and placement
6th AOS
Workshop within hierarchy
Vial Real
(Portugal)
26-27 July
2005
Food and
Agriculture
Organization of
the UN
Library and
Documentation
Systems Division
July 2005

9. Tool Features: Term/Relationship Management
Ontologies
creation,
extraction and
maintenance • Modifications (AGROVOC Maintenance Tool)
– term
• add
• delete
6th AOS • edit
Workshop – relationship
Vial Real
(Portugal) • add
26-27 July • delete
2005 • edit
Food and
Agriculture
• Machine learning (Annotation Tool)
Organization of
the UN
– wordnet
Library and – agrovoc itself
Documentation
Systems Division
– other thesauri
• Batch/bulk modifications based on patterns and structure
(rules-as-you-go)
July 2005

10. AOS/CS Workbench
Ontologies
creation,
extraction and
maintenance
6th AOS
Workshop
Vial Real
(Portugal)
26-27 July
2005
Food and
Agriculture
Organization of
the UN
Library and
Documentation
Systems Division
July 2005

11. Tool Features: Versioning and deployment
Ontologies
creation,
extraction and
maintenance
– CVS-type system to check out and check in
changes
6th AOS – Administrator-level functionalities for publishing
Workshop
Vial Real versions
(Portugal)
26-27 July
2005
– Language-level versioning
Food and
Agriculture
Organization of
the UN
Library and
Documentation
Systems Division
July 2005

12. Tool Features: Quality Assurance
Ontologies
creation,
extraction and
maintenance
• Logging and reporting of user actions
• Confirmation/verification of user actions
6th AOS
Workshop
Vial Real
• User rights management
(Portugal)
26-27 July
2005
• Ownership
Food and
Agriculture
Organization of
the UN
Library and
Documentation
Systems Division
July 2005

13. Technical Platform Details
Ontologies
creation,
extraction and
maintenance
• Centralized relational database backend
– local and remote databases?
– is there need for (1) referential integrity, triggers, etc. or
6th AOS (2) can we get by with publishing and storage
Workshop
• (1): PostgreSQL
Vial Real
(Portugal) • (2): MySQL
26-27 July
2005 • Web-based GUI
Food and
Agriculture
• Distributed client-server architecture
Organization of
the UN • Java-based
Library and
Documentation • Scalability and performance for network
– web services
Systems Division
July 2005

14. Workshops & Training
Ontologies
creation,
extraction and
maintenance
• Promote the Workbench
• Contact AGROVOC center of excellence
6th AOS
Workshop
Vial Real
• Nominate AGROVOC managers
(Portugal)
26-27 July
2005
• Organize workshop
Food and
Agriculture • Organize training
Organization of
the UN
Library and
Documentation
Systems Division
July 2005

15. Discussion points
Ontologies
creation,
extraction and
maintenance
• Tools (workbench)
• Modeling concept / term / string
6th AOS
Workshop
Vial Real
• Concepts vs instances
(Portugal)
26-27 July
2005
• Knowledge representation language (OWL,
Food and
Agriculture
SKOS)
Organization of
the UN
Library and
• Update it’s a problem?
Documentation
Systems Division
July 2005