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DEXAW
2004
IEEE
209views Database» more  DEXAW 2004»
15 years 5 months ago
Spatio-Temporal Data Warehouse Design for Human Activity Pattern Analysis
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
Lionel Savary, Tao Wan, Karine Zeitouni
ICDCS
2005
IEEE
15 years 7 months ago
Similarity Searching in Peer-to-Peer Databases
We consider the problem of handling similarity queries in peer-to-peer databases. Given a query for a data object, we propose an indexing and searching mechanism which returns the...
Indrajit Bhattacharya, Srinivas R. Kashyap, Sriniv...
FQAS
2006
Springer
106views Database» more  FQAS 2006»
15 years 5 months ago
A Functional Model for Data Analysis
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
Nicolas Spyratos
CIKM
2010
Springer
15 years 1 days ago
Preference query evaluation over expensive attributes
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
ICDT
2009
ACM
166views Database» more  ICDT 2009»
16 years 2 months ago
A compositional framework for complex queries over uncertain data
The ability to flexibly compose confidence computation with the operations of relational algebra is an important feature of probabilistic database query languages. Computing confi...
Christoph Koch, Michaela Götz