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MOBIHOC
2000
ACM
15 years 2 months ago
DEAPspace: transient ad-hoc networking of pervasive devices
The rapid spreading of mobile computerized devices marks the beginning of a new computing paradigm characterized by ad hoc networking and spontaneous interaction, taking place tra...
Reto Hermann, Dirk Husemann, Michael Moser, Michae...
VLDB
2004
ACM
118views Database» more  VLDB 2004»
15 years 3 months ago
On the performance of bitmap indices for high cardinality attributes
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
SIGMOD
2004
ACM
209views Database» more  SIGMOD 2004»
15 years 10 months ago
MAIDS: Mining Alarming Incidents from Data Streams
Real-time surveillance systems, network and telecommunication systems, and other dynamic processes often generate tremendous (potentially infinite) volume of stream data. Effectiv...
Y. Dora Cai, David Clutter, Greg Pape, Jiawei Han,...
EDBT
2009
ACM
207views Database» more  EDBT 2009»
15 years 1 months ago
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
Reynold Cheng, Lei Chen 0002, Jinchuan Chen, Xike ...
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
15 years 10 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman