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GIS
2007
ACM
16 years 6 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
CLEF
2007
Springer
15 years 11 months ago
MIRACLE at GeoCLEF Query Parsing 2007: Extraction and Classification of Geographical Information
This paper describes the participation of MIRACLE research consortium at the Query Parsing task of GeoCLEF 2007. Our system is composed of three main modules. First, the Named Geo...
Sara Lana-Serrano, Julio Villena-Román, Jos...
146
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SIGMOD
2004
ACM
116views Database» more  SIGMOD 2004»
16 years 5 months ago
The Role of Cryptography in Database Security
In traditional database security research, the database is usually assumed to be trustworthy. Under this assumption, the goal is to achieve security against external attacks (e.g....
Ueli M. Maurer
DBKDA
2009
IEEE
136views Database» more  DBKDA 2009»
15 years 8 months ago
Visualization and Integration of Databases Using Self-Organizing Map
Abstract--With the growing computer networks, accessible data is becoming increasing distributed. Understanding and integrating remote and unfamiliar data sources are important dat...
Farid Bourennani, Ken Q. Pu, Ying Zhu