2145 search results - page 235 / 429 » Answering Queries Using Views |
132
Voted
DBPL
1997
Springer
15 years 8 months ago
1997
Springer
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
159
Voted
CORR
1999
Springer
15 years 3 months ago
1999
Springer
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a lot of common sub-expressions, either within a singl...
153
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Recent advances in hardware technology have resulted in the ability to collect and process large amounts of data. In many cases, the collection of the data is a continuous process ...
123
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WWW
2009
ACM
16 years 4 months ago
2009
ACM
In a traditional keyword-search system in XML data, a user composes a keyword query, submits it to the system, and retrieves relevant subtrees. In the case where the user has limi...
114
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ICPP
2007
IEEE
15 years 10 months ago
2007
IEEE
—By combining an unstructured protocol with a DHT-based global index, hybrid peer-to-peer (P2P) improves search efficiency in terms of query recall and response time. The major c...