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SIGIR
2002
ACM
15 years 7 months ago
A critical examination of TDT's cost function
Topic Detection and Tracking (TDT) tasks are evaluated using a cost function. The standard TDT cost function assumes a constant probability of relevance P(rel) across all topics. ...
R. Manmatha, Ao Feng, James Allan
CIVR
2009
Springer
151views Image Analysis» more  CIVR 2009»
16 years 2 months ago
Reusing annotation labor for concept selection
Describing shots through the occurrence of semantic concepts is the first step towards modeling the content of a video semantically. An important challenge is to automatically se...
Robin Aly, Djoerd Hiemstra, Arjen P. de Vries
148
Voted
ATAL
2006
Springer
15 years 11 months ago
Performance evaluation of open-source multiagent platforms
Nowadays, most multiagent platforms are internally designed as middleware and are usually implemented in Java and run on top of an operating system. This kind of design maximizes ...
Luis Mulet, Jose M. Such, Juan M. Alberola
PODS
2010
ACM
150views Database» more  PODS 2010»
16 years 18 days ago
Understanding queries in a search database system
It is well known that a search engine can significantly benefit from an auxiliary database, which can suggest interpretations of the search query by means of the involved concep...
Ronald Fagin, Benny Kimelfeld, Yunyao Li, Sriram R...
298
Voted
KDD
2010
ACM
289views Data Mining» more  KDD 2010»
15 years 5 months ago
Exploitation and exploration in a performance based contextual advertising system
The dynamic marketplace in online advertising calls for ranking systems that are optimized to consistently promote and capitalize better performing ads. The streaming nature of on...
Wei Li 0010, Xuerui Wang, Ruofei Zhang, Ying Cui, ...