437 search results - page 43 / 88 » Model-based Feedback in the Language Modeling Approach to In... |
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Long-term search history contains rich information about a user's search preferences. In this paper, we study statistical language modeling based methods to mine contextual i...
AIRS
2009
Springer
14 years 2 months ago
2009
Springer
Relevance-based language models operate by estimating the probabilities of observing words in documents relevant (or pseudo relevant) to a topic. However, these models assume that ...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Abstract. One major goal of text mining is to provide automatic methods to help humans grasp the key ideas in ever-increasing text corpora. To this effect, we propose a statistica...
DEBU
2007
13 years 7 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
The approach of using passage-level evidence for document retrieval has shown mixed results when it is applied to a variety of test beds with different characteristics. One main r...