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SIGIR
2012
ACM
13 years 9 months ago
Robust ranking models via risk-sensitive optimization
Many techniques for improving search result quality have been proposed. Typically, these techniques increase average effectiveness by devising advanced ranking features and/or by...
Lidan Wang, Paul N. Bennett, Kevyn Collins-Thompso...
KCAP
2011
ACM
14 years 9 months ago
Multipedia: enriching DBpedia with multimedia information
Enriching knowledge bases with multimedia information makes it possible to complement textual descriptions with visual and audio information. Such complementary information can he...
Andrés García-Silva, Max Jakob, Pabl...
SIGECOM
2011
ACM
311views ECommerce» more  SIGECOM 2011»
14 years 9 months ago
The role of social networks in online shopping: information passing, price of trust, and consumer choice
While social interactions are critical to understanding consumer behavior, the relationship between social and commerce networks has not been explored on a large scale. We analyze...
Stephen Guo, Mengqiu Wang, Jure Leskovec
CLEF
2004
Springer
16 years 1 days ago
How Do Named Entities Contribute to Retrieval Effectiveness?
Named entities in topics are a major factor contributing to the quality of retrieval results. In this paper, we report on an analysis on the correlation between the number of named...
Thomas Mandl, Christa Womser-Hacker
DKE
2000
102views more  DKE 2000»
15 years 6 months ago
MOSAIC: A fast multi-feature image retrieval system
Content-based image retrieval plays an important role in many multimedia applications. Images are typically retrieved based on a given sample image, a sketch or a simple descripti...
Shen-Tat Goh, Kian-Lee Tan