1715 search results - page 107 / 343 » Document Retrieval using a Probabilistic Knowledge Model |
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
DEXAW
2009
IEEE
15 years 4 months ago
2009
IEEE
—This paper compares and illustrates the use of manually and automatically assigned descriptors on German documents extracted from the GIRT Corpus. A second objective is to analy...
NLDB
2004
Springer
15 years 3 months ago
2004
Springer
Abstract: Document analysis and text mining techniques are used to preprocess documents in information retrieval systems, to extract concepts in ontology construction processes, an...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
We introduce a novel approach to combining rankings from multiple retrieval systems. We use a logistic regression model or an SVM to learn a ranking from pairwise document prefere...
114
click to vote
CIVR
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. This paper presents a novel method of automatic image semantic annotation. Our approach is based on the Image-Keyword Document Model (IKDM) with image features discretiza...