2228 search results - page 304 / 446 » On Database Theory and XML |
160
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DIS
2007
Springer
16 years 16 days ago
2007
Springer
Abstract. We discuss what constitutes knowledge in pure mathematics and how new advances are made and communicated. We describe the impact of computer algebra systems, automated th...
153
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ER
2004
Springer
15 years 11 months ago
2004
Springer
Our goal is to model the way people induce knowledge from rare and sparse data. This paper describes a theoretical framework for inducing knowledge from these incomplete data descr...
206
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
166
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FOCS
2003
IEEE
15 years 11 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...
143
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ICDT
1997
ACM
15 years 10 months ago
1997
ACM
Abstract. The correctness of nested transactions for multidatabases differs from that of at transactions in that, for nested transactions the execution order of siblings at each re...