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Database and Information System Laboratory |
| Laboratory Directors: | Clement Yu |
| Associated Faculty: | Jorge Lobo, A. Prasad Sistla, and Ouri Wolfson |
About a dozen workstations connected by Ethernet are available for research by faculty and graduate students. The main research projects are (1) query processing in a heterogeneous environment containing relational databases, object-oriented databases, fuzzy relational databases, textual databases, pictorial databases and deductive databases; (2) retrieval of pictures based on approximate contents. This has wide applications in entertainment, education, law enforcement and military industries. (3) Automatic analysis of unstructured (in natural language) data. Consumer product surveys can be analyzed and concisely described without examining individual documents. (4) Determining relationships between names of attributes/entities. Relationships are in the form of synonyms, homonyms, is-a relationships and aggregate relationships. This information is useful in schema integration. (5) Determine the reliability of complex systems when some of its component systems may fail. This has applications in complex systems such as nuclear reactors and oil plants. (6) Parallelization in database environment. This is important when the amount of data is huge, there is large number of users and stringent time requirements are imposed. (7) Active databases. These types of databases have immense applications in computer systems, traffic management systems, security trading and communication networks. (8) Data Replication in Mobile Computing. Minimize charges by using appropriate data replication schemes. (9) Fuzzy relational systems. This allows imprecise queries to be answered in the presence of imprecise data.
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Last
modified 06/30/97