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174
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SIGMOD
2007
ACM
91views Database» more  SIGMOD 2007»
16 years 2 months ago
Indexing dataspaces
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...
Xin Dong, Alon Y. Halevy
249
Voted
ICDE
2008
IEEE
188views Database» more  ICDE 2008»
16 years 3 months ago
Efficient Aggregate Computation over Data Streams
Abstract-- Cisco's NetFlow Collector (NFC) is a powerful example of a real-world product that supports multiple aggregate queries over a continuous stream of IP flow records. ...
Kanthi Nagaraj, K. V. M. Naidu, Rajeev Rastogi, Sc...
129
Voted
XIMEP
2006
ACM
161views Database» more  XIMEP 2006»
15 years 8 months ago
Programming with XQuery
XQuery is a declarative language for querying and updating XML data sources. Interfacing XQuery to a host programming language is difficult because of the type system mismatch, an...
Donald D. Chamberlin, Michael J. Carey, Daniela Fl...
122
Voted
JAPLL
2010
98views more  JAPLL 2010»
15 years 1 months ago
On database query languages for K-relations
The relational model has recently been extended to so-called K-relations in which tuples are assigned a unique value in a semiring K. A query language, denoted by RAC K , similar ...
Floris Geerts, Antonella Poggi
144
Voted
ICDE
2010
IEEE
562views Database» more  ICDE 2010»
16 years 2 months ago
Multi-Guarded Safe Zone: An Effective Technique to Monitor Moving Circular Range Queries
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...
Muhammad Aamir Cheema, Ljiljana Brankovic, Xuemin ...