3251 search results - page 450 / 651 » Challenges in Web Information Retrieval |
CIKM
2007
Springer
14 years 4 months ago
2007
Springer
Heterogeneous entities or objects are very common and are usually interrelated with each other in many scenarios. For example, typical Web search activities involve multiple types...
CIKM
2010
Springer
13 years 8 months ago
2010
Springer
Today, Web pages are usually accessed using text search engines, whereas documents stored in the deep Web are accessed through domain-specific Web portals. These portals rely on e...
WSDM
2010
ACM
14 years 7 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
WWW
2011
ACM
13 years 5 months ago
2011
ACM
We investigate the problem of learning to rank for document retrieval from the perspective of learning with multiple objective functions. We present solutions to two open problems...
ACNS
2010
Springer
14 years 2 months ago
2010
Springer
We propose COP, a client-side system for protecting children’s online privacy and empowering parental control over children’s information disclosure with little manual effort. ...