6746 search results - page 501 / 1350 » Multimodal Database Query |
144
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WEBDB
1999
Springer
15 years 10 months ago
1999
Springer
Accessing and integrating data from heterogeneous sources has become a significant challenge. So-called adapters provide the functionality for translating SQL queries into querie...
181
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PODS
1998
ACM
15 years 10 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
151
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ICDT
1997
ACM
15 years 10 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
162
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
197
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ADBIS
2007
Springer
15 years 10 months ago
2007
Springer
Existing work repeatedly addresses that the ubiquitous positioning devices will start to generate an unprecedented stream of time-stamped positions leading to storage and computati...