100 search results - page 13 / 20 » Structured data retrieval using cover density ranking |
WIDM
2006
ACM
14 years 1 months ago
2006
ACM
In this paper, we identify and analyze structural properties which reflect the functionality of a Web site. These structural properties consider the size, the organization, the co...
ICDAR
2011
IEEE
12 years 7 months ago
2011
IEEE
—Content-based document image retrieval is a new and promising research area. Without OCR, document indexing directly based on image content is more general and convenient. Howev...
Book
"Pattern recognition techniques are concerned with the theory and algorithms of putting abstract objects, e.g., measurements made on physical objects, into categories. Typical...
SPIRE
2010
Springer
13 years 5 months ago
2010
Springer
Several IR tasks rely, to achieve high efficiency, on a single pervasive data structure called the inverted index. This is a mapping from the terms in a text collection to the docu...
KDD
2012
ACM
11 years 9 months ago
2012
ACM
Non-negative matrix factorization (NMF) provides a lower rank approximation of a matrix. Due to nonnegativity imposed on the factors, it gives a latent structure that is often mor...