2199 search results - page 145 / 440 » Information retrieval using hierarchical dirichlet processes |
163
click to vote
SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
165
click to vote
MMM
2010
Springer
16 years 3 months ago
2010
Springer
In this paper, we propose a new image-based algorithm to identify where a tourist is when visiting unfamiliar places. When the tourist takes a photo of an unfamiliar place, our alg...
190
click to vote
CIVR
2007
Springer
16 years 11 days ago
2007
Springer
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
162
click to vote
ICTAI
2003
IEEE
15 years 11 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
203
click to vote
AND
2010
15 years 3 months ago
2010
On the Internet, users often encounter noise in the form of spelling errors or unknown words, however, dishonest, unreliable, or biased information also acts as noise that makes i...