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SIGIR
2003
ACM
15 years 11 months ago
Decision-Theoretic Resource Selection for Different Data Types in MIND
In a federated digital library system, it is too expensive to query every accessible library. Resource selection is the task to decide to which libraries a query should be routed. ...
Henrik Nottelmann, Norbert Fuhr
SIGIR
2003
ACM
15 years 11 months ago
On an equivalence between PLSI and LDA
Latent Dirichlet Allocation (LDA) is a fully generative approach to language modelling which overcomes the inconsistent generative semantics of Probabilistic Latent Semantic Index...
Mark Girolami, Ata Kabán
SIGIR
2003
ACM
15 years 11 months ago
The TREC-like evaluation of music IR systems
This poster reports upon the ongoing efforts being made to establish TREC-like and other comprehensive evaluation paradigms within the Music IR (MIR) and Music Digital Library (MD...
J. Stephen Downie
SIGIR
2003
ACM
15 years 11 months ago
Statistical visual feature indexes in video retrieval
Four statistical visual feature indexes are proposed: SLM (Shot Length Mean), the average length of each shot in a video; SLD (Shot Length Deviation), the standard deviation of sh...
Xiangming Mu, Gary Marchionini
SIGIR
2003
ACM
15 years 11 months ago
Bayesian extension to the language model for ad hoc information retrieval
We propose a Bayesian extension to the ad-hoc Language Model. Many smoothed estimators used for the multinomial query model in ad-hoc Language Models (including Laplace and Bayes-...
Hugo Zaragoza, Djoerd Hiemstra, Michael E. Tipping