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MIR
2010
ACM
232views Multimedia» more  MIR 2010»
16 years 1 months ago
Exploiting external knowledge to improve video retrieval
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
David Vallet, Iván Cantador, Joemon M. Jose
SAC
2010
ACM
16 years 1 months ago
Web-based graphical querying of databases through an ontology: the Wonder system
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
Diego Calvanese, C. Maria Keet, Werner Nutt, Maria...
WSDM
2009
ACM
178views Data Mining» more  WSDM 2009»
16 years 1 months ago
User Browsing Graph: Structure, Evolution and Application
This paper focuses on ‘user browsing graph’ which is constructed with users’ click-through behavior modeled with Web access logs. User browsing graph has recently been adopt...
Yiqun Liu, Min Zhang, Shaoping Ma, Liyun Ru
AMMA
2009
Springer
16 years 1 months ago
Auctions with Dynamic Populations: Efficiency and Revenue Maximization
ABSTRACT: We examine an environment where goods and privately informed buyers arrive stochastically to a market. A seller in this setting faces a sequential allocation problem with...
Maher Said
INFOSCALE
2009
ACM
16 years 1 months ago
A Lightweight Mechanism to Mitigate Application Layer DDoS Attacks
Abstract. Application layer DDoS attacks, to which network layer solutions is not applicable as attackers are indistinguishable based on packets or protocols, prevent legitimate us...
Jie Yu, Chengfang Fang, Liming Lu, Zhoujun Li