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» TREC: Experiment and evaluation in information retrieval
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SIGIR
2012
ACM
13 years 3 months ago
Inferring missing relevance judgments from crowd workers via probabilistic matrix factorization
In crowdsourced relevance judging, each crowd worker typically judges only a small number of examples, yielding a sparse and imbalanced set of judgments in which relatively few wo...
Hyun Joon Jung, Matthew Lease
WWW
2004
ACM
16 years 2 months ago
Affinity rank: a new scheme for efficient web search
Maximizing only the relevance between queries and documents will not satisfy users if they want the top search results to present a wide coverage of topics by a few representative...
Yi Liu, Benyu Zhang, Zheng Chen, Michael R. Lyu, W...
CLEF
2005
Springer
15 years 7 months ago
UNED at ImageCLEF 2005: Automatically Structured Queries with Named Entities over Metadata
In this paper, we present our participation in the ImageCLEF 2005 ad-hoc track. First, we describe a preliminary pool of cross-language experiments with the ImageCLEF 2004 testbed...
Víctor Peinado, Fernando López-Osten...
LREC
2008
101views Education» more  LREC 2008»
15 years 2 months ago
Test Collections for Spoken Document Retrieval from Lecture Audio Data
The Spoken Document Processing Working Group, which is part of the special interest group of spoken language processing of the Information Processing Society of Japan, is developi...
Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tat...
KDD
2010
ACM
252views Data Mining» more  KDD 2010»
15 years 5 months ago
Fast query execution for retrieval models based on path-constrained random walks
Many recommendation and retrieval tasks can be represented as proximity queries on a labeled directed graph, with typed nodes representing documents, terms, and metadata, and labe...
Ni Lao, William W. Cohen