11016 search results - page 207 / 2204 » Digital Information Retrieval |
VLDB
1998
ACM
13 years 8 months ago
1998
ACM
Abstract. In this paper, we present an image retrieval system that employs both the color and spatial information of images to facilitate the retrieval process. The basic unit used...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...
SEMWEB
2007
Springer
14 years 3 months ago
2007
Springer
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Most retrieval models estimate the relevance of each document to a query and rank the documents accordingly. However, such an approach ignores the uncertainty associated with the ...
GIS
2009
ACM
14 years 3 months ago
2009
ACM
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...