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CHEN, LIK HARRY
LinkedIn Profile:
 http://www.linkedin.com/in/harrychen
Contact Information & Blogs:
 http://harry.hchen1.com
 http://geospatialsemanticweb.com
RESEARCH INTERESTS
Web information systems, social media and social networks, geospatial and location-based services, knowledge
representation, ontology and folksonomy, mobile computing, information retrieval and artificial intelligence
TECHNICAL SKILLS
Java, J2EE, JUnit, WebWork, Spring, FreeMarker, Lucene, Javascript, Ajax, XML, RDF, OWL, SQL (MySQL), rulebased systems (JESS and prolog), NPL (LingPipe), Geotools, Geonames, OpenSearch, Google Maps API, RSS/ATOM
+10 years Java, Object-Oriented and server-side programming experience; 6 years R&D engineering experience;
highly skilled in developing production quality software; practitioner of the “release early, release often” philosophy
LANGUAGE SKILL
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Fluent in speaking and writing Chinese, and using Hanyu Pinyin.
EDUCATION
2000 – 2004
PhD in Computer Science, University of Maryland, Baltimore County
Dissertation title: An Intelligent Broker Architecture for Pervasive Context-Aware Systems
Advisor: Timothy W. Finin
1998 – 2000
Master of Science in Computer Science, University of Maryland, Baltimore County
Thesis title: Developing a Distributed Dynamic Intelligent Agent Framework Based on the Jini
Architecture
Advisor: Timothy W. Finin
1994 – 1998
Bachelor of Science in Computer Science, University of Maryland, Baltimore County
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EMPLOYMENT
2005 - current
2008 - current
Computer Scientist/Senior Software Engineer, Image Matters LLC, Leesburg, VA
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Creator of gnizr (http://gnizr.googlecode.com), an del.icio.us-like enterprise social
bookmarking and mashup application (built on WebWork and Spring). Use
Google Maps API, Aduna Clustermap, MIT SIMILE Ajax mashups to enable
bookmark and tag visualization. Implemented a multi-threaded RSS crawler to
collect and annotate Web links. Wrote +110,000 lines of software code.
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Lead the research and development of KnowledgeSmarts and TriageWorks.
KnowledgeSmarts is a middleware system that exploits RDF/RDFS technology to provide
knowledge integration, logical inference, and information retrieval services for intelligent
geospatial applications. TriageWorks is a web-based information management and
search application for the National Geospatial-Intelligence Agency (NGA).
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Fulfill multiple roles including software engineer responsible for writing software;
engineering manager in charge of development and supervising programmers; external
spokesperson in marketing technologies and educating collaborators; technology adviser
helping the management team to define project direction, develop schedules and create
proposals.
Adjunct Assistant Professor, University of Maryland, Baltimore County, MD
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1997 - 2004
2001 & 2002
Summer
2000 Summer
Spring 2008 Teaching: Computer Science course Social Web Technologies
(http://socialwebtechnologies.blogspot.com). Developed a new combined graduate and
undergraduate course. A hands-on course on Web 2.0 technologies, social networks and
the Semantic Web. Taught students how to develop Java web applications (WebWork,
Spring & Maven), hack code and think about Web technology ethics and business.
Graduate Research Assistant, University of Maryland, Baltimore County, MD
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Designed and prototyped smart space systems and architecture that exploit context
awareness, semantic web ontologies, multi-agent systems, speech recognition, rule-based
reasoning, security and privacy policies and wireless technologies (http://cobra.umbc.edu/)
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Created a semantic web portal for managing talk announcements and event
recommendations; an inference engine called F-OWL for the Web Ontology Language
OWL using Flora2 and XSB (http://fowl.sourceforge.net/); an XML-based protocol and
language for supporting indoor wireless mobile device discovery and communications;
several prototypes of enterprise supply chain management systems.
Research Intern, Agents for Mobility Group, HP Labs, Palo Alto, CA
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Designed and prototyped a context-aware agent system for tracking user locations using
RFID, HP Cooltown, DAML+OIL, & Prolog. Designed and prototyped a team-based
travel recommendation system using JESS (Java Expert System Shell)
Research Intern, Software Technology Lab, HP Labs, Palo Alto CA
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Designed and prototyped a M-Commerce system for buying/selling market items in a
simulated Stanford Mall environment using the BT Zeus agent system, Apache
JSP/Servlet, RMI, HP Cooltown, and HP Jornada.
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1997 – 1998
Software Developer (part-time intern), McCabe & Associates, Columbia, MD
1996 – 1997
Technical Specialist (part-time intern), Verio Mid-Atlantic, Columbia, MD
PUBLICATIONS -- soft copies are available at http://ebiquity.umbc.edu/person/html/Harry/Chen/
JOURNAL AND BOOK CONTRIBUTIONS
1. Harry Chen, Tim Finin, Anupam Joshi, Filip Perich, Dipanjan Chakraborty and Lalana Kagal, EasyMeeting –
Intelligent Agents Meet Semantic Web in a Smart Meeting Room, an invited paper in the IEEE Internet Computing
Nov/Dec 2004 issue.
2. Harry Chen, Tim Finin, and Anupam Joshi, The SOUPA Ontology for Pervasive Computing, in Ontologies for
Agents: Theory and Experiences, Valentina Tamma, Stephen Cranefield, Tim Finin and Steven Willmott (Eds),
Springer, (Whitestein Series in Software Agent Technologies), ISBN: 3-7643-7237-0, June 2005.
3. Lalana Kagal, Jim Parker, Harry Chen, Anupam Joshi, and Tim Finin. Security, Privacy and Trust in Mobile
Computing Environment, Handbook of Mobile Computing. Editors Imad Mahgoub and Mohammad Ilyas,
December 2003.
4. Harry Chen, Tim Finin, Anupam Joshi. An Ontology for Context-Aware Pervasive Computing Environments,
Special Issue on Ontologies for Distributed Systems, Knowledge Engineering Review, Page 197—207, No. 3, Vol.
18, Cambridge University Press, May 2004.
5. Tim Finin, Anupam Joshi, Lalana Kagal, Olga Ratsimor, Sasikanth Avancha, Vladimir Korolev, Harry Chen, Filip
Perich, and R. Scott Cost, Intelligent Agents for Mobile and Embedded Devices, International Journal of
Cooperative Information Systems, pages 205—230, Sept & Dec. 2002 (Volume 11, Nos. 3-4).
6. Harry Chen, Anupam Joshi and Tim Finin, Dynamic Service Discovery for Mobile Computing: Intelligent Agents
Meet Jini in the Aether, Baltzer Science Journal on Cluster Computing, March 2001 (Volume 4, Issue. 4).
CONFERENCES AND WORKSHOPS
7. Harry Chen, Tim Finin, and Anupam Joshi, A Pervasive Computing Ontology for User Privacy Protection,
submitted to the Third IEEE International Conference on Pervasive Computing and Communications (PerCom05),
Kauai Island, Hawaii, March 8-12, 2005.
8. Harry Chen, Filip Perich, Tim Finin, and Anupam Joshi, SOUPA: Standard Ontology for Ubiquitous and
Pervasive Applications, in the Proceedings of the First Annual International Conference on Mobile and Ubiquitous
Systems: Networking and Services (Mobiquitous 2004), Boston, MA, August 22-25, 2004.
9. Harry Chen, Filip Perich, Dipanjan Chakraborty, Tim Finin, and Anupam Joshi, Intelligent Agents Meet Semantic
Web in a Smart Meeting Room, in the Proceedings of the Third International Joint Conference on Autonomous
Agents & Multi Agent Systems (AAMAS 2004), New York City, NY, July 19-23, 2004.
10. Youyong Zou, Harry Chen, and Tim Finin, F-OWL: An Inference Engine for Semantic Web, in the Proceedings of
the Third NASA-Goddard/IEEE Workshop on Formal Approach to Agent-Based Systems, Springer-Verlag
Lecture Notes in the Computer Science, volume 3228, December 2004.
11. Harry Chen, Tim Finin Anupam Joshi, A Context Broker for Building Smart Meeting Rooms, in the Proceedings of
the Knowledge Representation and Ontology for Autonomous Systems Symposium, 2004 AAAI Spring
Symposium, Stanford University, CA, March 2004.
12. Harry Chen, Tim Finin Anupam Joshi, Semantic Web in the Context Broker Architecture, in the Proceedings of the
Second IEEE International Conference on Pervasive Computing and Communications (PerCom04), Orlando, FL,
March 2004.
13. Harry Chen, Tim Finin, Anupam Joshi, Semantic Web in a Pervasive Context-Aware Architecture, in the
Proceedings of Artificial Intelligence in Mobile System 2003, October 2003.
14. Youyong Zou, Tim Finin, Li Ding, Harry Chen, and Rong Pan, Using Semantic Web Technology in Multi-Agent
Systems: A Case Study in the TAGA Trading Agent Environment, in the Proceedings of the 5th International
Conference on Electronic Commerce, Pittsburg, PA, September 2003.
15. Harry Chen, Tim Finin, Anupam Joshi, An Ontology for Context-Aware Pervasive Computing Environment,
Workshop on Ontologies and Distributed Systems, IJCAI-2003, Acapulco, Mexico, August 2003.
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16. Harry Chen, Tim Finin, Anupam Joshi, Using OWL in a Pervasive Computing Broker, Workshop on Ontologies in
Agent Systems, AAMAS 2003, Melbourne, Australia, July 2003.
17. Harry Chen & Tim Finin. Beyond Distributed AI, Agent Teamwork in Ubiquitous Computing, paper, Workshop on
Ubiquitous Agents on Embedded, Wearable, and Mobile Devices, AAMAS 2002, Bologna, Italy, July 2002.
18. Lalana Kagal, Filip Perich, Harry Chen, Sovrin Tolia, Youyong Zou, Tim Finin, Anupam Joshi, Yun Peng, R.
Scott Cost, and Charles Nicholas, Agent Making Sense of the Semantic Web, First GSFC/JPL Workshop on
Radical Agent Concepts (WRAC), NASA Goddard Space Flight Center, Jan. 2002.
19. Sasikanth Avancha, Dipanjan Chakraborty, Harry Chen, Lalana Kagal, Filip Perich, Tim Finin, and Anupam Joshi,
Issues in Data Management for Pervasive Environments, In Proceedings of the NSF Workshop on Context-Aware
Mobile Database Management, January 2002.
20. R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Harry Chen, Lalana Kagal, Filip Perich,
Youyong Zou, Sovrin Tolia and Ian Soboroff. ITTALKS: A Case Study in the Semantic Web and DAML, paper,
International Semantic Web Working Symposium (SWWS), Stanford University, Palo Alto CA, USA, August
2001.
21. Harry Chen, Sovrin Tolia, Craig Sayers, Tim Finin and Anupam Joshi. Creating Context-Aware Software Agents,
the First GSFC/JPL Workshop on Radical Agent Concept, NASA Goddard Space Flight Center, Greenbelt MD,
USA, September 2001
22. Tim Finin, Anupam Joshi, Lalana Kagal, Olga Ratsimore, Vlad Korolev, and Harry Chen. Information Agents for
Mobile and Embedded Devices, in the Proceedings of the Fifth International Workshop Cooperative Information
Agents, Modena, Italy, September 2001.
23. Filip Perich, R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Harry Chen, Lalana Kagal,
Youyong Zou, Sovrin Tolia. ITTALKS: An Application of Agents in the Semantic Web, paper, Workshop on
Engineering Societies in the Agents' World, Prague, July 2001.
24. Lalana Kagal, Vlad Korolev, Harry Chen, Anupam Joshi, and Timothy Finin. Centaurus: A Framework for
Intelligent Services in a Mobile Environment, International Workshop on Smart Appliances and Wearable
Computing (IWSAWC), Phoenix, AZ, USA, April 2001.
25. Harry Chen, Tim Finin, Anupam Joshi, Service Discovery in the Future Electronic Market, Workshop on
Knowledge-based Electronic Markets, AAAI-2000, Austin, TX, July 2000.
26. Yun Peng, Tim Finin, Harry Chen, Ling Wang, Yannis K Labrou, and R. Scott Cost, An Agent System for
Application Initialization in an Integrated Manufacturing Environment, in the Proceedings of the 3rd World
Mulitconference on Systemics, Cybernetics and Informatics and the 5th International Conference on Information
Systems Analysis and Synthesis (SCI’99/ISAS’99), Orlando, Florida, August 1999.
MAGAZINE ARTICLES
27. R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, Harry Chen, Lalana Kagal,
Filip Perich, Youyong Zou, and Sovrin Tolia, ITTalks: A Case Study in the Semantic Web and DAML+OIL, IEEE
Intelligent Systems Special Issue, January, 2002.
28. Dipanjan Chakraborty and Harry Chen. Service Discovery in The Future Mobile Commerce, ACM Crossroads.
Page 18-24. Issue 7.2, Winter 2000.
NON-REFERRED PUBLICATIONS
1. Harry Chen, An Intelligent Broker Architecture for Pervasive Context-Aware Systems, PhD Dissertation,
Department of CSEE, University of Maryland, Baltimore County, 2004.
2. Harry Chen, Tim Finin, and Anupam Joshi, A Pervasive Computing Ontology for User Privacy Protection in the
Context Broker Architecture, Technical Report, TR-CS-04-08, University of Maryland, Baltimore County, July
2004.
3. Harry Chen, An Intelligent Broker Architecture for Context-aware Systems, PhD Dissertation Proposal, University
of Maryland, Baltimore County, December 2002.
4. Harry Chen, Sovrin Tolia, Steps Towards Creating a Context-Aware Agent System, Technical Report HPL-2001231, HP Labs, October 2001.
5. Harry Chen. Developing a Dynamic Distributed Intelligent Agent Framework Based on the Jini Architecture,
Master Thesis, Department of CSEE, University of Maryland, Baltimore County, 2000.
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TALKS & DEMONSTRATIONS
Talk: Semantic Web 2.0
 Hosted a breakout session on the application of semantic technologies in social media. SocialDevCamp
East (BarCamp), University of Baltimore (2008) – http://tinyurl.com/4l4bdr
Talk: Geospatial Semantic Web
 An invited talk given to the students of Computer Science Special Topic Course on the Semantic Web
(CMSC 491/691M Fall 2007) – http://tinyurl.com/2ga6ku
Talk: Mashups Beyond Google Maps
 An invited talk given at the Networking Geospatial Information Technology 2006-06, National Science
Foundation, VA (2006) – http://tinyurl.com/yoqy9t
Demo: KnowledgeSmarts – Geospatial Semantic Technology
 A poster/exhibition session at the 4th Semantic Interoperability for E-Government Conference, MITRE
Corporation, McLean, VA (2006)
Panel Speaker: OWL Leaves Nest
 A panel at the First International Symposium on Agents and the Semantic Web (2005) –
http://tinyurl.com/23nv5q
Tutorial: Building Intelligent Applications Using Ontologies and the Semantic Web
 A tutorial session at the 20th Annual ACM Symposium on Applied Computing Santa Fe, New Mexico,
(2005) -- http://tinyurl.com/28fplj
Talk: An Intelligent Broker for Pervasive Context-Aware Systems
 Quantum Leap Innovations, Newark, Delaware (2004)
 Intelligent Automation Inc., Rockville, Maryland (2004)
 General Dynamics Advanced Information Systems, Arlington, Virginia (2004)
Talk: Semantic Web in the Context Broker Architecture
 Samsung SISA, San Jose, California (2004)
 Howard University, Washington DC (2003)
Talk: Centaurus: A Framework for Intelligent Services in a Mobile Environment
 Hong Kong University of Science & Technology, Hong Kong (2000)
Talk: Developing Agent Oriented Jini Services
 The Second Jini Community Meeting, Annapolis, Maryland (1999)
Demo: TAGA (Trading Agent Game in the Agentcities)
 The Third International Joint Conference on Autonomous Agents & Multi Agent Systems, Columbia
University, New York City (July 2004)
 Agentcities Agent Technology Competition 2003, Barcelona, Spain (January 2003)
 International Joint Conferences on Artificial Intelligence 2003, Acapulco, Mexico (August 2003)
Demo: ITTalks: a Semantic Web portal for talk announcements
 The First Semantic Web Working Symposium, Stanford University (August 2001)
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PROFESSIONAL SERVICE
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Review Panel, Computer & Information Science & Engineering (CISE), National Science Foundation.
Reviewer, IEEE Internet Computing Magazine
Reviewer, Journal of Parallel and Distributed Computing
Reviewer, International Journal of Computers and Applications
Reviewer, Journal of Web Semantics for the Elsevier Journals.
Program Committee Member, the Third Asian Semantic Web Conference (ASWC 2008), Thailand
December. 8-11, 2008.
Program Committee Member, the International Conference on e-Business 2008 (ICE-B), Porto, Portugal,
July 26-29, 2008.
Program Committee Member, Workshop on Combining Context with Trust, Security and Privacy,
Trondheim, Norway, June 16-17, 2008.
Program Committee Member, the 6th International Semantic Web Conference and the 2nd Asian Semantic
Web Conference (ISWC+ASWC’ 07), Busan, Korea, November 11 – 15, 2007.
Program Committee Member, the 2007 IEEE International Conference on e-Business Engineering
(ICEBE 2007), Hong Kong S.A.R, China, October 27, 2007.
Program Committee Member, First International Workshop on Combining Context with Trust, Security,
and Privacy (CaT 2007), Joint iTrust and PST Conferences on Privacy, Trust Management and Security
(IFIPM 2007), Moncton, New Brunswick, Canada, July 30, 2007.
Program Committee Member, 2007 Artificial Intelligence and the Web, AAAI-07, Vancouver, British
Columbia, Canada, July 22-26, 2007.
Program Committee Member, Semantic Web for Collaborative Knowledge Acquisition (SWeCKa 2006),
AAAI Fall Symposium, Arlington, VA, October 12-15, 2006.
Program Committee Member, the 2nd International Workshop on the use of Semantic Web
Technologies for Ubiquitous and Mobile Applications (SWUMA'06), Riva del Garda, Trentino,
Italy, August 2006
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Program Committee Member, the Third Annual International Conference on Mobile and Ubiquitous
Systems: Networks and Services, San Jose, California, July 17-21, 2006
Program Committee Member, the Second Annual International Conference on Mobile and Ubiquitous
Systems: Networking and Services, San Diego, California, July 2005
Program Committee Member, the Third Workshop on Ambient Intelligence – agents for ubiquitous
environment (AAMAS 2005), July 2005
Reviewer, Context-aware Adaptation and Personalization for the Mobile Internet Workshop held in
conjunction with the 2005 International Symposium on Application and the Internet (SAINT 2005)
Reviewer, Workshop on Agents for Ubiquitous Computing 2004 held in conjunction with AAMAS 2004
Reviewer, The First Annual International Conference on Mobile and Ubiquitous Systems (Mobiquitous
2004)
Reviewer, The First International Workshop on Software Aspect of Context (IWSAC’04)
Organizing Committee Member, the First Workshop on Pervasive Security, Privacy and Trust (PSPT
2004), Boston, MA., August 2004
Program Committee Member, the First International Workshop on Software Aspect of Context
(IWSAC’04), Beirut, Lebanon, July 2004
AWARDS AND AFFILIATIONS
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Awarded a PhD. research fellowship from the HP Labs in 2001 and 2002
Awarded scholarships to attend AAAI-99, IJCAI-2003, and the CRA Academic Careers Workshop, 2004
Best Student Entry award at the 2003 Agentcities Agent Technology Competition, Barcelona, Spain
Former ACM Crossroad student liaison at UMBC
Member of Upsilon Pi Epsilon & Golden Key National Honor Society
Last updated on 5.14.2008