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ICDE
2009
IEEE
255views Database» more  ICDE 2009»
16 years 6 months ago
Database Management as a Service: Challenges and Opportunities
Data outsourcing or database as a service is a new paradigm for data management in which a third party service provider hosts a database as a service. The service provides data man...
Ahmed Metwally, Amr El Abbadi, Divyakant Agrawal, ...
VIS
2009
IEEE
211views Visualization» more  VIS 2009»
16 years 5 months ago
Isosurface Extraction and View-Dependent Filtering from Time-Varying Fields Using Persistent Time-Octree (PTOT)
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
Cong Wang, Yi-Jen Chiang
GIS
2004
ACM
16 years 5 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
WWW
2008
ACM
16 years 5 months ago
Using graphics processors for high-performance IR query processing
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
Shuai Ding, Jinru He, Hao Yan, Torsten Suel
150
Voted
STOC
2009
ACM
181views Algorithms» more  STOC 2009»
16 years 5 months ago
The detectability lemma and quantum gap amplification
The quantum analog of a constraint satisfaction problem is a sum of local Hamiltonians - each (term of the) Hamiltonian specifies a local constraint whose violation contributes to...
Dorit Aharonov, Itai Arad, Zeph Landau, Umesh V. V...
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