187 search results - page 9 / 38 » Entity categorization over large document collections |
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Motivated by our work with political scientists who need to manually analyze large Web archives of news sites, we present SpotSigs, a new algorithm for extracting and matching sig...
IJCNN
2007
IEEE
14 years 1 months ago
2007
IEEE
— In vector space model (VSM), textual documents are represented as vectors in the term space. Therefore, there are two issues in this representation, i.e. (1) what should a term...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Although text categorization is a burgeoning area of IR research, readily available test collections in this field are surprisingly scarce. We describe a methodology and system (...
COLING
2010
13 years 2 months ago
2010
A distributed system is described that reliably mines parallel text from large corpora. The approach can be regarded as cross-language near-duplicate detection, enabled by an init...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...