7139 search results - page 1416 / 1428 » Language Engineering in Practice |
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AGENTS
1999
Springer
15 years 1 months ago
1999
Springer
The World Wide Web provides a huge distributed web database. However, information in the web database is free formatted and unorganized. Traditional keyword-based retrieval approa...
FOCS
1998
IEEE
15 years 1 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
VLDB
1998
ACM
15 years 1 months ago
1998
ACM
Deterministic testing of SQL database systems is human intensive and cannot adequately cover the SQL input domain. A system (RAGS), was built to stochastically generate valid SQL ...
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ADB
1994
15 years 1 months ago
1994
Database applications and technologies are of central importance in many information systems a person may encounter. To obtain services, the end-users are required a smart card (pl...
ESA
1993
Springer
15 years 1 months ago
1993
Springer
A digraph is upward planar if it has a planar drawing such that all the edges are monotone with respect to the vertical direction. Testing upward planarity and constructing upward ...