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[protege-discussion] NCBO Webinar - James Geller, October 20 at 10:00am PT

Trish Whetzel plwhetzel at
Sat Oct 16 23:25:35 PDT 2010

The next NCBO Webinar will be presented by Dr. James Geller from the New
Jersey Institute of Technology on "The Neighborhood Auditing Tool for the
UMLS and its Source Terminologies" at 10:00am PDT, Wednesday, October 20.
Below is information on how to join the online meeting via WebEx and
accompanying teleconference. Please note there will not be a VOIP option and
attendees must call into the teleconference.  For the full schedule of the
NCBO Webinar presentations see:

The UMLS's integration of more than 100 source vocabularies makes it
susceptible to errors.  Furthermore, its size and complexity can make it
very difficult to locate such errors.  A software tool, called the
Neighborhood Auditing Tool (NAT), that facilitates UMLS auditing is
presented.  The NAT supports "neighborhood-based" auditing, where, at any
given time, an auditor concentrates on a single focus concept and one of a
variety of neighborhoods of its closely related concepts.  The NAT can be
seen as a special browser for the complex structure of the UMLS's
hierarchies.  Typical diagrammatic displays of concept networks have a
number of shortcomings, so the NAT utilizes a hybrid diagram/text interface
that features stylized neighborhood views which retain some of the best
features of both the diagrammatic layouts and text windows while avoiding
the shortcomings.  The NAT allows an auditor to display knowledge from both
the Metathesaurus (concept) level and the Semantic Network (semantic type)
level.  Various additional features of the NAT that support the auditing
process are described.  The usefulness of the NAT is demonstrated through a
group of case studies.  Its impact is tested with a study involving a select
group of auditors.

Dr. James Geller received an Electrical Engineering Diploma from the
Technical University, Vienna, Austria, in 1979, and the MS Degree (1984) and
Ph.D. degree (1988) in Computer Science from the State University of New
York at Buffalo.  Dr. Geller joined the Computer Science Department of the
New Jersey Institute of Technology (NJIT) in 1988. He was granted tenure and
promoted to associate professor in 1993. Subsequently he was promoted to
full professor in 2000.  Dr. Geller has authored and co-authored about forty
journal papers and over fifty conference papers. These papers are in a
number of areas, including Knowledge Representation, the Semantic Web,
Semantic Modeling in Object-Oriented Databases, Web Mining, Medical
Informatics, Medical Vocabularies, and Auditing of Ontologies and Medical

Topic: NCBO Webinar Series
Date: Wednesday, October 20, 2010
Time: 10:00 am, Pacific Daylight Time (San Francisco, GMT-07:00)
Meeting Number: 929 613 752
Meeting Password: ncbomeeting

To join the online meeting (Now from the Apple iPhone (R) and other
1. Go to
2. If requested, enter your name and email address.
3. If a password is required, enter the meeting password: ncbomeeting
4. Click "Join".
5. Follow the instructions that appear on your screen.

To view in other time zones or languages, please click the link:

To join the audio conference only
Call-in toll number (US/Canada): 1-650-429-3300
Global call-in numbers:

Access code:929 613 752

For assistance
1. Go to
2. On the left navigation bar, click "Support".

You can contact me at:
whetzel at

To update this meeting to your calendar program (for example Microsoft
Outlook), click this link:

WebEx will automatically setup Meeting Manager for Windows the first time
you join a meeting. To save time, you can setup prior to the meeting by
clicking this link:

The playback of UCF (Universal Communications Format) rich media files
requires appropriate players. To view this type of rich media files in the
meeting, please check whether you have the players installed on your
computer by going to


IMPORTANT NOTICE: This WebEx service includes a feature that allows audio
and any documents and other materials exchanged or viewed during the session
to be recorded. By joining this session, you automatically consent to such
recordings. If you do not consent to the recording, discuss your concerns
with the meeting host prior to the start of the recording or do not join the
session. Please note that any such recordings may be subject to discovery in
the event of litigation.

NCBO-PublicTalks mailing list
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