2145 search results - page 75 / 429 » Answering Queries Using Views |
128
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ISAAC
2004
Springer
15 years 8 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
ACL
2009
15 years 1 months ago
2009
When a multi-lingual question-answering (QA) system provides an answer that has been incorrectly translated, it is very likely to be regarded as irrelevant. In this paper, we prop...
138
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SIGMOD
1999
ACM
15 years 7 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
111
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CLEF
2007
Springer
15 years 9 months ago
2007
Springer
We describe our system for the monolingual Dutch and multilingual English to Dutch QA tasks. First, we present a brief overview of our QA-system, which makes heavy use of syntacti...
236
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GIS
2004
ACM
16 years 4 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...