654 search results - page 56 / 131 » Complexity of Answering Queries Using Materialized Views |
105
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ALGORITHMICA
2002
15 years 3 months ago
2002
We describe a quantum black-box network computing the majority of N bits with zerosided error using only 2 3 N + O( N log( -1 log N)) queries: the algorithm returns the correct an...
123
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PVLDB
2010
15 years 1 months ago
2010
Uncertain data streams are increasingly common in real-world deployments and monitoring applications require the evaluation of complex queries on such streams. In this paper, we c...
154
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AICOM
2004
15 years 3 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
114
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CORR
2010
Springer
15 years 3 months ago
2010
Springer
In recent years, the significant growth of RDF data used in numerous applications has made its efficient and scalable manipulation an important issue. In this paper, we present RD...
128
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LWA
2007
15 years 4 months ago
2007
In this paper we investigate how a small number of high-level concepts derived for video shots, such as Sports, Face, Indoor, etc., can be used effectively for ad hoc search in vi...