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» Using parsimonious language models on web data
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SIGIR
2008
ACM
13 years 4 months ago
Using parsimonious language models on web data
In this paper we explore the use of parsimonious language models for web retrieval. These models are smaller thus more efficient than the standard language models and are therefor...
Rianne Kaptein, Rongmei Li, Djoerd Hiemstra, Jaap ...
KDD
2007
ACM
165views Data Mining» more  KDD 2007»
14 years 5 months ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
TREC
2007
13 years 5 months ago
Parsimonious Language Models for a Terabyte of Text
: The aims of this paper are twofold. Our first aim is to compare results of the earlier Terabyte tracks to the Million Query track. We submitted a number of runs using different ...
Djoerd Hiemstra, Rongmei Li, Jaap Kamps, Rianne Ka...
GECCO
2007
Springer
192views Optimization» more  GECCO 2007»
13 years 6 months ago
Parsimonious regularization using genetic algorithms applied to the analysis of analytical ultracentrifugation experiments
Frequently in the physical sciences experimental data are analyzed to determine model parameters using techniques known as parameter estimation. Eliminating the effects of noise ...
Emre H. Brookes, Borries Demeler
GEOINFO
2004
13 years 6 months ago
Using XML Languages for Modeling and Web-Visualization of Geographical Legacy Data
In our aim to modernize geographical legacy data from the German office of geographical survey with XML languages, we first modeled the data in GML, a standard language for geograp...
Brigitte Mathiak, Andreas Kupfer, Karl Neumann