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GIS
2007
ACM
16 years 7 months ago
A model for enriching trajectories with semantic geographical information
The collection of moving object data is becoming more and more common, and therefore there is an increasing need for the efficient analysis and knowledge extraction of these data ...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
DBSEC
2011
233views Database» more  DBSEC 2011»
14 years 10 months ago
Multiparty Authorization Framework for Data Sharing in Online Social Networks
Online social networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractiv...
Hongxin Hu, Gail-Joon Ahn
ICDE
2005
IEEE
176views Database» more  ICDE 2005»
16 years 8 months ago
Optimizing ETL Processes in Data Warehouses
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
Alkis Simitsis, Panos Vassiliadis, Timos K. Sellis
WEBDB
1999
Springer
131views Database» more  WEBDB 1999»
15 years 11 months ago
Adapter Generation for Extracting and Querying Data from Web
Accessing and integrating data from heterogeneous sources has become a significant challenge. So-called adapters provide the functionality for translating SQL queries into querie...
Kai-Uwe Sattler, Michael Höding
IIR
2010
15 years 8 months ago
An Empirical Comparison of Collaborative Filtering Approaches on Netflix Data
Recommender systems are widely used in E-Commerce for making automatic suggestions of new items that could meet the interest of a given user. Collaborative Filtering approaches co...
Nicola Barbieri, Massimo Guarascio, Ettore Ritacco