620 search results - page 32 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
131
Voted
SIGIR
1996
ACM
15 years 7 months ago
1996
ACM
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
170
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KDD
2004
ACM
15 years 9 months ago
2004
ACM
Using SQL has not been considered an efficient and feasible way to implement data mining algorithms. Although this is true for many data mining, machine learning and statistical a...
135
Voted
LCPC
2004
Springer
15 years 9 months ago
2004
Springer
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...
223
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
130
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VLDB
2004
ACM
15 years 9 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...