507 search results - page 14 / 102 » Portfolio theory of information retrieval |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
In Latent Semantic Indexing (LSI), a collection of documents is often pre-processed to form a sparse term-document matrix, followed by a computation of a low-rank approximation to...
FLAIRS
2000
13 years 9 months ago
2000
Traditional benchmarking methods for information retrieval (IR) are based on experimental performance evaluation. Although the metrics precision and recall can measure the perform...
DMS
2008
13 years 9 months ago
2008
: Multimedia applications nowadays are becoming the standard, for they utilize the enormous human brain computational power. In the past, the Relational Database Model was generali...
MM
2003
ACM
14 years 24 days ago
2003
ACM
We present a method being developed to extract information about characters’ emotions in films. It is suggested that this information can help describe higher levels of multimed...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Structured documents contain elements defined by the author(s) and annotations assigned by other people or processes. Structured documents pose challenges for probabilistic retrie...