507 search results - page 22 / 102 » Portfolio theory of information retrieval |
MM
2010
ACM
14 years 9 months ago
2010
ACM
Images can affect people on an emotional level. Since the emotions that arise in the viewer of an image are highly subjective, they are rarely indexed. However there are situation...
CSCW
2010
ACM
15 years 6 months ago
2010
ACM
An important aspect of collaborative information seeking (CIS) is making sense of the information found, i.e., collaborative sensemaking. We conducted an ethnographic study of the...
55
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WWW
2007
ACM
15 years 10 months ago
2007
ACM
Generally speaking, digital libraries have multiple granularities of semantic units: book, chapter, page, paragraph and word. However, there are two limitations of current eBook r...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...
SIGIR
2003
ACM
15 years 2 months ago
2003
ACM
Soboroff, Nicholas and Cahan recently proposed a method for evaluating the performance of retrieval systems without relevance judgments. They demonstrated that the system evaluat...