6004 search results - page 905 / 1201 » Parallelizing query optimization |
151
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VLDB
1999
ACM
15 years 7 months ago
1999
ACM
Recent high-performance processors employ sophisticated techniques to overlap and simultaneously execute multiple computation and memory operations. Intuitively, these techniques ...
141
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BMCBI
2006
15 years 3 months ago
2006
Background: In recent times, there has been an exponential rise in the number of protein structures in databases e.g. PDB. So, design of fast algorithms capable of querying such d...
137
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VLDB
2002
ACM
15 years 2 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
146
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SIGIR
2011
ACM
14 years 5 months ago
2011
ACM
Inverted indexes are the most fundamental and widely used data structures in information retrieval. For each unique word occurring in a document collection, the inverted index sto...
154
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SIGIR
2011
ACM
14 years 5 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...