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SIGIR
2008
ACM
15 years 3 months ago
Generalising multiple capture-recapture to non-uniform sample sizes
Algorithms in distributed information retrieval often rely on accurate knowledge of the size of a collection. The "multiple capture-recapture" method of Shokouhi et al. ...
Paul Thomas
SIGIR
2008
ACM
15 years 2 months ago
Pagerank based clustering of hypertext document collections
Clustering hypertext document collection is an important task in Information Retrieval. Most clustering methods are based on document content and do not take into account the hype...
Konstantin Avrachenkov, Vladimir Dobrynin, Danil N...
ICMCS
2005
IEEE
130views Multimedia» more  ICMCS 2005»
15 years 8 months ago
Research on Wavelet Domain Fractal Coding in Digital Watermarking
A novel digital image watermarking method based on wavelet domain fractal coding is presented in this paper. Employing the invariant parameters of the wavelet domain fractal trans...
Li Yang, Du Sidan
SIGIR
2004
ACM
15 years 8 months ago
Block-based web search
Multiple-topic and varying-length of web pages are two negative factors significantly affecting the performance of web search. In this paper, we explore the use of page segmentati...
Deng Cai, Shipeng Yu, Ji-Rong Wen, Wei-Ying Ma
IRI
2007
IEEE
15 years 9 months ago
Natural Language Processing and e-Government: Extracting Reusable Crime Report Information
Crime reporting needs to be possible 24/7. Although 911 and tip-lines are the most publicized reporting mechanisms, several other options exist, ranging from inperson reporting to...
Alicia Iriberri, Gondy Leroy