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» Homotopy in Digital Spaces
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EDBT
2011
ACM
199views Database» more  EDBT 2011»
12 years 11 months ago
Predicting completion times of batch query workloads using interaction-aware models and simulation
A question that database administrators (DBAs) routinely need to answer is how long a batch query workload will take to complete. This question arises, for example, while planning...
Mumtaz Ahmad, Songyun Duan, Ashraf Aboulnaga, Shiv...
EUROSYS
2011
ACM
12 years 11 months ago
SRM-buffer: an OS buffer management technique to prevent last level cache from thrashing in multicores
Buffer caches in operating systems keep active file blocks in memory to reduce disk accesses. Related studies have been focused on how to minimize buffer misses and the caused pe...
Xiaoning Ding, Kaibo Wang, Xiaodong Zhang
JCDL
2011
ACM
221views Education» more  JCDL 2011»
12 years 10 months ago
Integrating implicit structure visualization with authoring promotes ideation
We need to harness the growing wealth of information in digital libraries to support intellectual work involving creative and exploratory processes. Prior research on hypertext au...
Andrew M. Webb, Andruid Kerne
PODS
2011
ACM
238views Database» more  PODS 2011»
12 years 10 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
SIGMOD
2011
ACM
297views Database» more  SIGMOD 2011»
12 years 10 months ago
Graph cube: on warehousing and OLAP multidimensional networks
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
Peixiang Zhao, Xiaolei Li, Dong Xin, Jiawei Han