An evaluation of retrieval effectiveness for a full-text document-retrieval system
Communications of the ACM
The functional data model and the data languages DAPLEX
ACM Transactions on Database Systems (TODS)
ACM Transactions on Database Systems (TODS)
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
An entity-based database user interface
SIGMOD '80 Proceedings of the 1980 ACM SIGMOD international conference on Management of data
Lessons from a "living in a database" graphical query interface
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
Supporting a Semantic Data Model in a Distributed Database System
VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases
Processing Queries Over Generalization Hierarchies in a Multidatabase System
VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases
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Knowledge exploration is the activity of finding out what other people have thought about. Normally, people explore knowledge by reading books or articles or by talking to other people. This paper discusses an alternative approach: a system whose knowledge is in the form of text fragments plus a query language to help users access appropriate fragments. Drawing primary inspiration from database theory, hypertext systems, knowledge representation, and a study of textual fragments called fragment theory, the paper describes and motivates a data model to support knowledge exploration.