Sciweavers

829 search results - page 50 / 166
» Location-aware Query Processing and Optimization
Sort
View
EDBT
2009
ACM
149views Database» more  EDBT 2009»
13 years 7 months ago
Towards integrated and efficient scientific sensor data processing: a database approach
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
Ji Wu, Yongluan Zhou, Karl Aberer, Kian-Lee Tan
GECCO
2007
Springer
179views Optimization» more  GECCO 2007»
14 years 3 months ago
Genetic algorithms for large join query optimization
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
Hongbin Dong, Yiwen Liang
SIGIR
2012
ACM
12 years 1 days ago
Optimizing positional index structures for versioned document collections
Versioned document collections are collections that contain multiple versions of each document. Important examples are Web archives, Wikipedia and other wikis, or source code and ...
Jinru He, Torsten Suel
SIGMOD
2009
ACM
192views Database» more  SIGMOD 2009»
14 years 9 months ago
Scalable join processing on very large RDF graphs
With the proliferation of the RDF data format, engines for RDF query processing are faced with very large graphs that contain hundreds of millions of RDF triples. This paper addre...
Thomas Neumann, Gerhard Weikum
SIGMOD
2005
ACM
145views Database» more  SIGMOD 2005»
14 years 9 months ago
Native Xquery processing in oracle XMLDB
With XQuery becoming the standard language for querying XML, and the relational SQL platform being recognized as an important platform to store and process XML, the SQL/XML standa...
Zhen Hua Liu, Muralidhar Krishnaprasad, Vikas Aror...