591 search results - page 75 / 119 » The complexity of XPath query evaluation |
ICDCS
2011
IEEE
12 years 8 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
13 years 10 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...
CIKM
2010
Springer
13 years 7 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...
SIGMOD
2009
ACM
14 years 9 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
13 years 8 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 ...