17329 search results - page 15 / 3466 » Improved non-approximability results |
PPSN
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. This paper extends a recently proposed model for combinatorial landscapes: Local Optima Networks (LON), to incorporate a first-improvement (greedyascent) hill-climbing a...
SIGIR
2010
ACM
14 years 14 days ago
2010
ACM
We build a probabilistic model to identify implicit local intent queries, and leverage user’s physical location to improve Web search results for these queries. Evaluation on co...
ECIR
2006
Springer
13 years 10 months ago
2006
Springer
We examine the use of authorship information in information retrieval for closed communities by extracting expert rankings for queries. We demonstrate that these rankings can be us...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Evaluating user preferences of web search results is crucial for search engine development, deployment, and maintenance. We present a real-world study of modeling the behavior of ...
CIMCA
2008
IEEE
14 years 3 months ago
2008
IEEE
In this study of eight outsourcing projects, we seek to understand the mechanisms that companies put in place to coordinate knowledge work across their boundaries. We find that m...