935 search results - page 84 / 187 » Analyzing Document Retrievability in Patent Retrieval Settin... |
158
click to vote
WWW
2001
ACM
16 years 7 months ago
2001
ACM
We introduce a method for learning query transformations that improves the ability to retrieve answers to questions from an information retrieval system. During the training stage...
182
click to vote
MM
2009
ACM
16 years 26 days ago
2009
ACM
Query-to-concept mapping plays one of the keys to concept-based video retrieval. Conventional approaches try to find concepts that are likely to co-occur in the relevant shots fro...
145
click to vote
ICCBR
2010
Springer
15 years 10 months ago
2010
Springer
In this paper we study the topic of CBR systems learning from observations in which those observations can be represented as stochastic policies. We describe a general framework wh...
156
click to vote
ECIR
2007
Springer
15 years 7 months ago
2007
Springer
Abstract. Relevance feedback, which uses the terms in relevant documents to enrich the user’s initial query, is an effective method for improving retrieval performance. An assoc...
178
click to vote
DOCENG
2009
ACM
16 years 26 days ago
2009
ACM
In order to evaluate the performance of information retrieval and extraction algorithms, we need test collections. A test collection consists of a set of documents, a clearly form...