Sciweavers

1666 search results - page 124 / 334
» Effective and efficient structured retrieval
Sort
View
SIGMOD
2008
ACM
205views Database» more  SIGMOD 2008»
14 years 11 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
SIGIR
2006
ACM
14 years 4 months ago
User modeling for full-text federated search in peer-to-peer networks
User modeling for information retrieval has mostly been studied to improve the effectiveness of information access in centralized repositories. In this paper we explore user model...
Jie Lu, James P. Callan
ISDA
2008
IEEE
14 years 5 months ago
Compute the Term Contributed Frequency
In this paper, we propose an algorithm and data structure for computing the term contributed frequency (tcf) for all N-grams in a text corpus. Although term frequency is one of th...
Cheng-Lung Sung, Hsu-Chun Yen, Wen-Lian Hsu
KDD
2005
ACM
109views Data Mining» more  KDD 2005»
14 years 11 months ago
Formulating distance functions via the kernel trick
Tasks of data mining and information retrieval depend on a good distance function for measuring similarity between data instances. The most effective distance function must be for...
Gang Wu, Edward Y. Chang, Navneet Panda
WWW
2009
ACM
14 years 11 months ago
Exploiting web search engines to search structured databases
Web search engines often federate many user queries to relevant structured databases. For example, a product related query might be federated to a product database containing thei...
Arnd Christian König, Dong Xin, Kaushik Chakr...