619 search results - page 96 / 124 » Query Planning in Infomaster |
103
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STACS
2007
Springer
15 years 8 months ago
2007
Springer
Abstract. The sharing of content by communities of users (e.g., scientists) in a P2P context remains cumbersome. We argue that main reasons for this is the lack of calculus and alg...
118
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
122
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VLDB
1995
ACM
15 years 5 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
101
Voted
DLOG
2007
15 years 4 months ago
2007
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
127
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
As more and more query processing work can be done in main memory, memory access is becoming a significant cost component of database operations. Recent database research has show...