494 search results - page 7 / 99 » Improving Automatic Query Expansion |
COLING
2008
13 years 9 months ago
2008
User logs of search engines have recently been applied successfully to improve various aspects of web search quality. In this paper, we will apply pairs of user queries and snippe...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Text-based search using video speech transcripts is a popular approach for granular video retrieval at the shot or story level. However, misalignment of speech and visual tracks, ...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...