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DATESO
2008
131views Database» more  DATESO 2008»
15 years 5 months ago
Towards Cost-based Optimizations of Twig Content-based Queries
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
Michal Krátký, Radim Baca
147
Voted
JUCS
2010
109views more  JUCS 2010»
14 years 10 months ago
Semantics of Query-Driven Communication of Exact Values
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
Michal Konecný, Amin Farjudian
198
Voted
SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
16 years 4 months ago
Optimizing complex queries with multiple relation instances
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
Yu Cao, Gopal C. Das, Chee Yong Chan, Kian-Lee Tan
SIGIR
2006
ACM
15 years 10 months ago
Distributed query sampling: a quality-conscious approach
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...
James Caverlee, Ling Liu, Joonsoo Bae
AIRS
2004
Springer
15 years 9 months ago
Multilingual Relevant Sentence Detection Using Reference Corpus
IR with reference corpus is one approach when dealing with relevant sentences detection, which takes the result of IR as the representation of query (sentence). Lack of informatio...
Ming-Hung Hsu, Ming-Feng Tsai, Hsin-Hsi Chen