Sciweavers

157 search results - page 20 / 32
» Constrained Optimalities in Query Personalization
Sort
View
SIGIR
2005
ACM
14 years 1 months ago
An exploration of axiomatic approaches to information retrieval
Existing retrieval models generally do not offer any guarantee for optimal retrieval performance. Indeed, it is even difficult, if not impossible, to predict a model’s empirica...
Hui Fang, ChengXiang Zhai
INFOCOM
2006
IEEE
14 years 1 months ago
Controlled Flooding Search with Delay Constraints
— In this paper we consider the problem of query and search in a network, e.g., searching for a specific node or a piece of data. We limit our attention to the class of TTL (tim...
Nicholas B. Chang, Mingyan Liu
DATE
2008
IEEE
134views Hardware» more  DATE 2008»
14 years 2 months ago
Adaptive Filesystem Compression for Embedded Systems
Abstract—Embedded system secondary storage size is often constrained, yet storage demands are growing as a result of increasing application complexity and storage of personal dat...
Lan S. Bai, Haris Lekatsas, Robert P. Dick
SIGIR
2011
ACM
12 years 10 months ago
A boosting approach to improving pseudo-relevance feedback
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
Yuanhua Lv, ChengXiang Zhai, Wan Chen
JAIR
2010
143views more  JAIR 2010»
13 years 6 months ago
A Utility-Theoretic Approach to Privacy in Online Services
Online offerings such as web search, news portals, and e-commerce applications face the challenge of providing high-quality service to a large, heterogeneous user base. Recent eff...
Andreas Krause, Eric Horvitz