Sciweavers

235 search results - page 40 / 47
» Evaluating Query Result Significance in Databases via Random...
Sort
View
SIGMOD
2004
ACM
149views Database» more  SIGMOD 2004»
15 years 11 months ago
Incremental Maintenance of XML Structural Indexes
Increasing popularity of XML in recent years has generated much interest in query processing over graph-structured data. To support efficient evaluation of path expressions, many ...
Ke Yi, Hao He, Ioana Stanoi, Jun Yang 0001
DLOG
2006
15 years 1 months ago
On the Scalability of Description Logic Instance Retrieval
Abstract Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the onto...
Ralf Möller, Volker Haarslev, Michael Wessel
DOLAP
2004
ACM
15 years 5 months ago
Experimental evidence on partitioning in parallel data warehouses
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
Pedro Furtado
INFOCOM
2005
IEEE
15 years 5 months ago
BARD: Bayesian-assisted resource discovery in sensor networks
Data dissemination in sensor networks requires four components: resource discovery, route establishment, packet forwarding, and route maintenance. Resource discovery can be the mos...
Fred Stann, John S. Heidemann
DASFAA
2007
IEEE
174views Database» more  DASFAA 2007»
15 years 6 months ago
Efficient Holistic Twig Joins in Leaf-to-Root Combining with Root-to-Leaf Way
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
Guoliang Li, Jianhua Feng, Yong Zhang, Lizhu Zhou