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CLEF
2008
Springer
14 years 11 months ago
A Comparative Study of Diversity Methods for Hybrid Text and Image Retrieval Approaches
This article compares eight different diversity methods: 3 based on visual information, 1 based on date information, 3 adapted to each topic based on location and visual informatio...
Sabrina Tollari, Philippe Mulhem, Marin Ferecatu, ...
WWW
2008
ACM
15 years 10 months ago
A graph-theoretic approach to webpage segmentation
We consider the problem of segmenting a webpage into visually and semantically cohesive pieces. Our approach is based on formulating an appropriate optimization problem on weighte...
Deepayan Chakrabarti, Ravi Kumar, Kunal Punera
HICSS
2006
IEEE
163views Biometrics» more  HICSS 2006»
15 years 3 months ago
Learning Ranking vs. Modeling Relevance
The classical (ad hoc) document retrieval problem has been traditionally approached through ranking according to heuristically developed functions (such as tf.idf or bm25) or gene...
Dmitri Roussinov, Weiguo Fan
VLDB
2006
ACM
115views Database» more  VLDB 2006»
15 years 10 months ago
Integrating document and data retrieval based on XML
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...
Jan-Marco Bremer, Michael Gertz
MCS
2008
Springer
14 years 9 months ago
Dynamical low-rank approximation: applications and numerical experiments
Dynamical low-rank approximation is a differential-equation based approach to efficiently computing low-rank approximations to time-dependent large data matrices or to solutions o...
Achim Nonnenmacher, Christian Lubich