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119
Voted
VLDB
1997
ACM
15 years 8 months ago
1997
ACM
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...
160
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SSDBM
1994
IEEE
15 years 8 months ago
1994
IEEE
The analysis of time series is a central issue in economic research and many other scientific applications. However, the data management functionality for this field is not provid...
137
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VLDB
1994
ACM
15 years 8 months ago
1994
ACM
Full-text information retrieval systems have traditionally been designed for archival environments. They often provide little or no support for adding new documents to an existing...
132
Voted
PODS
1990
ACM
15 years 8 months ago
1990
ACM
Previous researchers have proposed generalizations of Horn clause logic to support negation and nondeterminism as two separate extensions. In this paper, we show that the stable m...
129
Voted
VLDB
1990
ACM
15 years 8 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...