591 search results - page 75 / 119 » The complexity of XPath query evaluation |
ICDCS
2011
IEEE
13 years 9 months ago
2011
IEEE
— MapReduce has become an effective approach to big data analytics in large cluster systems, where SQL-like queries play important roles to interface between users and systems. H...
ECIR
2008
Springer
14 years 11 months ago
2008
Springer
Information retrieval is an empirical science; the field cannot move forward unless there are means of evaluating the innovations devised by researchers. However the methodologies...
100
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CIKM
2010
Springer
14 years 8 months ago
2010
Springer
Personalized search systems have evolved to utilize heterogeneous features including document hyperlinks, category labels in various taxonomies and social tags in addition to free...
155
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
NIS
1998
14 years 9 months ago
1998
The execution time of a large query depends mainly on the memory utilization which should avoid disk accesses for intermediate results. Poor memory management can hurt performance ...