121 search results - page 16 / 25 » A General Framework for Estimating XML Query Cardinality |
SIGIR
2006
ACM
15 years 5 months ago
2006
ACM
We present an adaptive distributed query-sampling framework that is quality-conscious for extracting high-quality text database samples. The framework divides the query-based samp...
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BTW
2007
Springer
15 years 3 months ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
DASFAA
2007
IEEE
15 years 3 months ago
2007
IEEE
Label stream partition is a useful technique to reduce the input I/O cost of holistic twig join by pruning useless streams beforehand. The Prefix Path Stream (PPS) partition scheme...
ECIR
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
WWW
2008
ACM
16 years 12 days ago
2008
ACM
Local aspects of Web search -- associating Web content and queries with geography -- is a topic of growing interest. However, the underlying question of how spatial variation is m...