cobase.cs.ucla.edu
CoBase on the Web
http://cobase.cs.ucla.edu/projects/cobase
When making daily decisions, humans seldom have complete or exact information. Yet, traditional query processing systems accept only precisely specified queries, requiring users to fully understand the problem domain and the database structure and content. Further, traditional systems offer only exact answers, returning null information if the precise answer is not available. CoBase is an extension to the conventional database notation that remedies these shortcomings. Each mediator is composed of (1) It...
cobase-www.cs.ucla.edu
CoBase on the Web
http://cobase-www.cs.ucla.edu/projects/kmex
KMeX: A Knowledge-Based Approach for Scenario-Specific Medical Free Text Retrieval. Project funded in part by NIC/NIH Grant # 4442511-33780. Knowledge-based Inference Techniques to Ensure the Security of Database Content. Knowledge-Based Query Expansion. A query may be appended with additional terms so that the expanded query has a higher probability of matching the terms in relevant documents. Traditional expansion techniques append statistically related terms that may not be scenario-specific&#...Let u...
cobase-www.cs.ucla.edu
CoBase on the Web
http://cobase-www.cs.ucla.edu/projects.html
Research members: Jianming He, Wesley W. Chu (Project Leader), Fred Sabb, Ying Wang, Chen Liu, and Stott Parker. Social Network-Based Recommender System. A Social Network-Based Recommender System. Research members: Jianming He. Information Security and Privacy. An Inference-based Approach to Data Access Violation Detection and Privacy Protection. Research members: Zhenyu Liu, Yu Chen, Jianming He. Research members: Shaorong Liu. Ruzan Shahinian, Eric Sung, Chirstian Cardenas. Research members: Zhenyu Liu.
cobase-www.cs.ucla.edu
CoBase on the Web
http://cobase-www.cs.ucla.edu/projects/cobase
When making daily decisions, humans seldom have complete or exact information. Yet, traditional query processing systems accept only precisely specified queries, requiring users to fully understand the problem domain and the database structure and content. Further, traditional systems offer only exact answers, returning null information if the precise answer is not available. CoBase is an extension to the conventional database notation that remedies these shortcomings. Each mediator is composed of (1) It...
cobase-www.cs.ucla.edu
CoBase on the Web
http://cobase-www.cs.ucla.edu/projects/coxml
Query Relaxation for XML Database. Project funded NSF Award # 0219442. 11 Project Introduction and Motivation. In the XML domain, because of the flexible nature of the XML model allows varied structures and/or values and the non-rigid XML tag syntax enables to embed a wealth of meta information in XML documents, the need for such query relaxation increases. The following points illustrates that query relaxation is more important for the XML model than the relational model:. 12 Summary of Approaches.
cobase.cs.ucla.edu
CoBase on the Web
http://cobase.cs.ucla.edu/index.html
Welcome to the CoBase research group. The following is a brief overview of the various projects. Cooperative database systems ( CoBase. Under the support of the ARPA, and the direction of Professor Wesley Chu. And noisy emitter identification with Lockheed/Martin Marietta. Knowledge-based relaxation techniques have been extended to the XML data model ( CoXML. The knowledge-based approach has also been extended to free text in selecting scenario specific relevant query expansion terms to improve retrieval...
cobase.cs.ucla.edu
CoBase on the Web
http://cobase.cs.ucla.edu/projects/isp
An Inference-based Approach to Data Access Violation Detection and Privacy Protection. Project funded by NSF Grant # 0313283. Knowledge-based Inference Techniques to Ensure the Security of Database Content. For multi-user, the users may collaborate with their query answers to increase the probability of inference sensitive information. We can construct a task-sensitive social network based on the users' profiles and questionnaire data [ 4. We have developed a detection system that prevents single users f...
cobase-www.cs.ucla.edu
CoBase on the Web
http://cobase-www.cs.ucla.edu/projects/isp
An Inference-based Approach to Data Access Violation Detection and Privacy Protection. Project funded by NSF Grant # 0313283. Knowledge-based Inference Techniques to Ensure the Security of Database Content. For multi-user, the users may collaborate with their query answers to increase the probability of inference sensitive information. We can construct a task-sensitive social network based on the users' profiles and questionnaire data [ 4. We have developed a detection system that prevents single users f...
cobase.cs.ucla.edu
CoBase on the Web
http://cobase.cs.ucla.edu/projects/kmex
KMeX: A Knowledge-Based Approach for Scenario-Specific Medical Free Text Retrieval. Project funded in part by NIC/NIH Grant # 4442511-33780. Knowledge-based Inference Techniques to Ensure the Security of Database Content. Knowledge-Based Query Expansion. A query may be appended with additional terms so that the expanded query has a higher probability of matching the terms in relevant documents. Traditional expansion techniques append statistically related terms that may not be scenario-specific&#...Let u...
mist.cs.ucla.edu
Patent Information Retrieval and Mining, Infringement and Invalidation
http://www.mist.cs.ucla.edu/index.html
Last Updated October 10, 2011. Welcome to the home of the Multimedia Information System Technology Group (MIST)! Several new R&D thrusts are being undertaken including mobile medical patient data management and access, image stream data management and visualization, intelligent searching and retrieval of interesting information in the internet, patent information retrieval and mining, and social networks. Our advances and innovations are described in our publications listed in this web site. The objectiv...
