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» Optimizing Queries on Files
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125
Voted
DASFAA
2007
IEEE
202views Database» more  DASFAA 2007»
15 years 8 months ago
Optimizing Moving Queries over Moving Object Data Streams
With the increasing in demand on location-based aware services and RFIDs, efficient processing of continuous queries over moving object streams becomes important. In this paper, w...
Dan Lin, Bin Cui, Dongqing Yang
101
Voted
SC
1991
ACM
15 years 5 months ago
Input/output behavior of supercomputing applications
: This paper describes the collection and analysis of supercomputer I/O traces and their use in a collection of buffering and caching simulations. This serves two purposes. First, ...
Ethan L. Miller, Randy H. Katz
DASFAA
2004
IEEE
95views Database» more  DASFAA 2004»
15 years 5 months ago
On Incorporating Iceberg Queries in Query Processors
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
Krishna P. Leela, Pankaj M. Tolani, Jayant R. Hari...
FAST
2009
14 years 11 months ago
Story Book: An Efficient Extensible Provenance Framework
Most application provenance systems are hard coded for a particular type of system or data, while current provenance file systems maintain in-memory provenance graphs and reside i...
Richard P. Spillane, Russell Sears, Chaitanya Yala...
ICALP
2009
Springer
16 years 1 months ago
Towards Optimal Range Medians
We consider the following problem: given an unsorted array of n elements, and a sequence of intervals in the array, compute the median in each of the subarrays defined by the inter...
Beat Gfeller, Peter Sanders