1394 search results - page 108 / 279 » Executing Nested Queries |
174
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VLDB
2001
ACM
15 years 8 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
165
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ESWS
2008
Springer
15 years 5 months ago
2008
Springer
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
147
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ICWS
2008
IEEE
15 years 5 months ago
2008
IEEE
In this work, we present a framework for the semantic composition of web services based on Statecharts and uniform community service descriptions. Our model is a two step process....
217
Voted
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
138
Voted
COMPGEOM
1997
ACM
15 years 8 months ago
1997
ACM
Abstract. In the context of methodologies intended to confer robustness to geometric algorithms, we elaborate on the exact-computation paradigm and formalize the notion of degree o...