720 search results - page 46 / 144 » Positional language models for information retrieval |
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
IPM
2007
14 years 9 months ago
2007
Through the recent NTCIR workshops, patent retrieval casts many challenging issues to information retrieval community. Unlike newspaper articles, patent documents are very long an...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Negative relevance feedback is a special case of relevance feedback where we do not have any positive example; this often happens when the topic is difficult and the search result...
MM
2010
ACM
14 years 10 months ago
2010
ACM
Searching for small objects (e.g., logos) in images is a critical yet challenging problem. It becomes more difficult when target objects differ significantly from the query object...
HT
2010
ACM
14 years 7 months ago
2010
ACM
This paper describes a new approach towards detecting plagiarism and scientific documents that have been read but not cited. In contrast to existing approaches, which analyze docu...