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» On the Generation of Spatiotemporal Datasets
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W2GIS
2007
Springer
15 years 3 months ago
Towards the Next Generation of Location-Based Services
Location-based services (LBS) constitute an emerging application domain rapidly introduced in modern life habits. However, given that LBS already count a few years of commercial li...
Elias Frentzos, Kostas Gratsias, Yannis Theodoridi...
WWW
2006
ACM
15 years 10 months ago
A probabilistic approach to spatiotemporal theme pattern mining on weblogs
Mining subtopics from weblogs and analyzing their spatiotemporal patterns have applications in multiple domains. In this paper, we define the novel problem of mining spatiotempora...
Qiaozhu Mei, Chao Liu 0001, Hang Su, ChengXiang Zh...
SDM
2009
SIAM
173views Data Mining» more  SDM 2009»
15 years 6 months ago
Discretized Spatio-Temporal Scan Window.
The focus of this paper is the discovery of anomalous spatio-temporal windows. We propose a Discretized SpatioTemporal Scan Window approach to address the question of how we can t...
Aryya Gangopadhyay, Seyed H. Mohammadi, Vandana Pu...
EACL
2006
ACL Anthology
14 years 11 months ago
Generating Spatio-Temporal Descriptions in Pollen Forecasts
We describe our initial investigations into generating textual summaries of spatiotemporal data with the help of a prototype Natural Language Generation (NLG) system that produces...
Ross Turner, Somayajulu Sripada, Ehud Reiter, Ian ...
SIGIR
2004
ACM
15 years 3 months ago
Parameterized generation of labeled datasets for text categorization based on a hierarchical directory
Although text categorization is a burgeoning area of IR research, readily available test collections in this field are surprisingly scarce. We describe a methodology and system (...
Dmitry Davidov, Evgeniy Gabrilovich, Shaul Markovi...