Sciweavers

617 search results - page 87 / 124
» Improved techniques for result caching in web search engines
Sort
View
IR
2010
14 years 8 months ago
Adapting boosting for information retrieval measures
Abstract We present a new ranking algorithm that combines the strengths of two previous methods: boosted tree classification, and LambdaRank, which has been shown to be empiricall...
Qiang Wu, Christopher J. C. Burges, Krysta Marie S...
ER
2008
Springer
157views Database» more  ER 2008»
14 years 11 months ago
Retune: Retrieving and Materializing Tuple Units for Effective Keyword Search over Relational Databases
The existing approaches of keyword search over relational databases always identify the relationships between tuples on the fly, which are rather inefficient as such relational rel...
Guoliang Li, Jianhua Feng, Lizhu Zhou
HPCA
2011
IEEE
14 years 1 months ago
A new server I/O architecture for high speed networks
Traditional architectural designs are normally focused on CPUs and have been often decoupled from I/O considerations. They are inefficient for high-speed network processing with a...
Guangdeng Liao, Xia Znu, Laxmi N. Bhuyan
WWW
2004
ACM
15 years 10 months ago
The effect of the back button in a random walk: application for pagerank
Theoretical analysis of the Web graph is often used to improve the efficiency of search engines. The PageRank algorithm, proposed by [5], is used by the Google search engine [4] t...
Fabien Mathieu, Mohamed Bouklit
EDBT
2009
ACM
123views Database» more  EDBT 2009»
15 years 4 months ago
High-performance information extraction with AliBaba
A wealth of information is available only in web pages, patents, publications etc. Extracting information from such sources is challenging, both due to the typically complex langu...
Peter Palaga, Long Nguyen, Ulf Leser, Jörg Ha...