735 search results - page 129 / 147 » TREC: Experiment and evaluation in information retrieval |
CICLING
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The task of Named Entity Recognition (NER) allows to identify proper names as well as temporal and numeric expressions, in an open-domain text. NER systems proved to be v...
IR
2011
13 years 2 months ago
2011
In this paper, we evaluate a number of machine learning techniques for the task of ranking answers to why-questions. We use TF-IDF together with a set of 36 linguistically motivate...
WSDM
2010
ACM
14 years 4 months ago
2010
ACM
Social media sites (e.g., Flickr, YouTube, and Facebook) are a popular distribution outlet for users looking to share their experiences and interests on the Web. These sites host ...
ICDE
2001
IEEE
14 years 8 months ago
2001
IEEE
In this paper, we develop a general framework for approximate nearest neighbor queries. We categorize the current approaches for nearest neighbor query processing based on either ...
KDD
2009
ACM
14 years 7 months ago
2009
ACM
Query result clustering has recently attracted a lot of attention to provide users with a succinct overview of relevant results. However, little work has been done on organizing t...