111 search results - page 14 / 23 » Using Coherence-Based Measures to Predict Query Difficulty |
KDD
2009
ACM
14 years 3 months ago
2009
ACM
Implicit user feedback, including click-through and subsequent browsing behavior, is crucial for evaluating and improving the quality of results returned by search engines. Severa...
ICIAP
1995
ACM
14 years 19 days ago
1995
ACM
—Effective image retrieval by content from database requires that visual image properties are used instead of textual labels to properly index and recover pictorial data. Retriev...
COMGEO
2006
ACM
13 years 9 months ago
2006
ACM
The ray shooting problem arises in many different contexts and is a bottleneck of ray tracing in computer graphics. Unfortunately, theoretical solutions to the problem are not ver...
SIGIR
2012
ACM
11 years 11 months ago
2012
ACM
We present a novel interpretation of Clarity [5], a widely used query performance predictor. While Clarity is commonly described as a measure of the “distance” between the lan...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...