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» Approximate Query Answering in Locally Closed Databases
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ICDT
1995
ACM
101views Database» more  ICDT 1995»
15 years 1 months ago
Approximation in Databases
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
Leonid Libkin
MICAI
2005
Springer
15 years 3 months ago
Proximity Searching in High Dimensional Spaces with a Proximity Preserving Order
Abstract. Kernel based methods (such as k-nearest neighbors classifiers) for AI tasks translate the classification problem into a proximity search problem, in a space that is usu...
Edgar Chávez, Karina Figueroa, Gonzalo Nava...
ICDE
2001
IEEE
206views Database» more  ICDE 2001»
15 years 11 months ago
Cache-Aware Query Routing in a Cluster of Databases
We investigate query routing techniques in a cluster of databases for a query-dominant environment. The objective is to decrease query response time. Each component of the cluster...
Uwe Röhm, Klemens Böhm, Hans-Jörg S...
SIGMOD
2007
ACM
186views Database» more  SIGMOD 2007»
15 years 10 months ago
Fg-index: towards verification-free query processing on graph databases
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
James Cheng, Yiping Ke, Wilfred Ng, An Lu
DASFAA
2004
IEEE
138views Database» more  DASFAA 2004»
15 years 1 months ago
Counting Relaxed Twig Matches in a Tree
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
Dongwon Lee, Divesh Srivastava