Sciweavers

199 search results - page 9 / 40
» Join queries on uncertain data: Semantics and efficient proc...
Sort
View
WWW
2008
ACM
15 years 10 months ago
Efficiently querying rdf data in triple stores
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...
101
Voted
DATESO
2008
131views Database» more  DATESO 2008»
14 years 11 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
ICDE
2002
IEEE
130views Database» more  ICDE 2002»
15 years 10 months ago
Structural Joins: A Primitive for Efficient XML Query Pattern Matching
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
Shurug Al-Khalifa, H. V. Jagadish, Jignesh M. Pate...
SIGMOD
2008
ACM
205views Database» more  SIGMOD 2008»
15 years 9 months ago
Monochromatic and bichromatic reverse skyline search over uncertain databases
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
Xiang Lian, Lei Chen 0002
PVLDB
2010
126views more  PVLDB 2010»
14 years 7 months ago
Set Similarity Join on Probabilistic Data
Set similarity join has played an important role in many real-world applications such as data cleaning, near duplication detection, data integration, and so on. In these applicati...
Xiang Lian, Lei Chen 0002