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CIKM
2011
Springer
14 years 6 months ago
Factorization-based lossless compression of inverted indices
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
George Beskales, Marcus Fontoura, Maxim Gurevich, ...
SIGIR
2012
ACM
13 years 9 months ago
BReK12: a book recommender for K-12 users
Ideally, students in K-12 grade levels can turn to book recommenders to locate books that match their interests. Existing book recommenders, however, fail to take into account the...
Maria Soledad Pera, Yiu-Kai Ng
ADL
2000
Springer
252views Digital Library» more  ADL 2000»
15 years 11 months ago
Audio Structuring and Personalized Retrieval Using Ontologies
The goal of this work is to improve the accuracy (precision and recall) and communication effectiveness of a database system response to a user information request, by utilizing a...
Latifur Khan, Dennis McLeod
SIGIR
2012
ACM
13 years 9 months ago
Clarity re-visited
We present a novel interpretation of Clarity [5], a widely used query performance predictor. While Clarity is commonly described as a measure of the “distance” between the lan...
Shay Hummel, Anna Shtok, Fiana Raiber, Oren Kurlan...
WISE
2009
Springer
16 years 3 months ago
Focused Search in Digital Archives
We present a system description for an archival information system with three different approaches to gain online access to digital archives created in the metadata standard Encod...
Junte Zhang, Jaap Kamps