725 search results - page 73 / 145 » Overview of TREC 2007 |
KDD
2007
ACM
14 years 10 months ago
2007
ACM
We address the task of learning rankings of documents from search engine logs of user behavior. Previous work on this problem has relied on passively collected clickthrough data. ...
ICDIM
2007
IEEE
14 years 4 months ago
2007
IEEE
: Some measures such as average precision over all relevant documents and recall level precision are considered as good system-oriented measures, because they concern both precisio...
ICDM
2007
IEEE
14 years 4 months ago
2007
IEEE
Most topic models, such as latent Dirichlet allocation, rely on the bag-of-words assumption. However, word order and phrases are often critical to capturing the meaning of text in...
CIKM
2007
Springer
14 years 4 months ago
2007
Springer
The term frequency normalisation parameter sensitivity is an important issue in the probabilistic model for Information Retrieval. A high parameter sensitivity indicates that a sl...
CIKM
2007
Springer
14 years 4 months ago
2007
Springer
Query translation in Cross Language Information Retrieval (CLIR) can be performed using multiple resources. Previous attempts to combine different translation resources use simple...