Sciweavers

1170 search results - page 89 / 234
» Retrieval effectiveness of an ontology-based model for infor...
Sort
View
CSE
2009
IEEE
14 years 2 months ago
A Study of Information Diffusion over a Realistic Social Network Model
—Sociological models of human behavior can explain population-level phenomena within social systems; computer modeling can simulate a wide variety of scenarios and allow one to p...
Andrea Apolloni, Karthik Channakeshava, Lisa Durbe...
SIGIR
2005
ACM
14 years 1 months ago
Probabilistic hyperspace analogue to language
Song and Bruza [6] introduce a framework for Information Retrieval(IR) based on Gardenfor’s three tiered cognitive model; Conceptual Spaces[4]. They instantiate a conceptual spa...
Leif Azzopardi, Mark Girolami, Malcolm Crowe
CIKM
2010
Springer
13 years 5 months ago
Probabilistic ranking for relational databases based on correlations
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
Jaehui Park, Sang-goo Lee
KDD
2006
ACM
143views Data Mining» more  KDD 2006»
14 years 8 months ago
Mining long-term search history to improve search accuracy
Long-term search history contains rich information about a user's search preferences. In this paper, we study statistical language modeling based methods to mine contextual i...
Bin Tan, Xuehua Shen, ChengXiang Zhai
ICC
2007
IEEE
104views Communications» more  ICC 2007»
13 years 11 months ago
Self-Interference Suppression in Doubly-Selective Channel Estimation Using Superimposed Training
Abstract-- Channel estimation for frequency-selective timevarying channels is considered using superimposed training. We employ a discrete prolate spheroidal basis expansion model ...
Shuangchi He, Jitendra K. Tugnait