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» Complexity of Reasoning over Temporal Data Models
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PVLDB
2008
167views more  PVLDB 2008»
14 years 9 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
CHI
2009
ACM
15 years 4 months ago
Time sequences
Visualisations of dynamic data change in appearance over time, reflecting changes in the underlying data, be that the development of a social network, or the addition or removal o...
Ross Shannon, Aaron J. Quigley, Paddy Nixon
INFOSCALE
2006
ACM
15 years 3 months ago
PENS: an algorithm for density-based clustering in peer-to-peer systems
Huge amounts of data are available in large-scale networks of autonomous data sources dispersed over a wide area. Data mining is an essential technology for obtaining hidden and v...
Mei Li, Guanling Lee, Wang-Chien Lee, Anand Sivasu...
GIS
2010
ACM
14 years 8 months ago
Verifying spatial queries using Voronoi neighbors
With the popularity of location-based services and the abundant usage of smart phones and GPS enabled devices, the necessity of outsourcing spatial data has grown rapidly over the...
Ling Hu, Wei-Shinn Ku, Spiridon Bakiras, Cyrus Sha...
COOPIS
1998
IEEE
15 years 2 months ago
A Generative Communication Service for Database Interoperability
Parallel and distributed programming is conceptually harder to undertake and to understand than sequential programming, because a programmer often has to manage the coexistence an...
Wilhelm Hasselbring, Mark Roantree