1004 search results - page 156 / 201 » Safe Constraint Queries |
SIGIR
2003
ACM
14 years 1 months ago
2003
ACM
One of the major problems in question answering (QA) is that the queries are either too brief or often do not contain most relevant terms in the target corpus. In order to overcom...
VLDB
1999
ACM
14 years 29 days ago
1999
ACM
In this paper, we describe our recent experiences in adding a number of object-relational extensions to the DB2 Universal Database UDB system as part of a research and developme...
VLDB
1999
ACM
14 years 29 days ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
PODS
1997
ACM
14 years 27 days ago
1997
ACM
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
SMA
1997
ACM
14 years 27 days ago
1997
ACM
: Modeling of families of geometric objects is a major topic in modern geometric and solid modeling. Object families are central to many important solid modeling applications, incl...