1300 search results - page 172 / 260 » XML Query Processing and Optimization |
109
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SAC
2008
ACM
15 years 1 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
127
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DBA
2006
15 years 3 months ago
2006
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...
175
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SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
ct In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering usi...
WWW
2008
ACM
16 years 2 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
109
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SIGMOD
1999
ACM
15 years 6 months ago
1999
ACM
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...