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ICDE
2008
IEEE
160views Database» more  ICDE 2008»
16 years 5 months ago
Exploiting Lineage for Confidence Computation in Uncertain and Probabilistic Databases
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
Anish Das Sarma, Martin Theobald, Jennifer Widom
AGIS
2008
319views more  AGIS 2008»
15 years 4 months ago
An Efficient Algorithm for Raster-to-Vector Data Conversion
Data conversion from raster to vector (R2V) is a key function in Geographic Information Systems (GIS) and remote sensing (RS) image processing for integrating GIS and RS data. The...
Junhua Teng, Fahui Wang, Yu Liu
ICDE
2007
IEEE
140views Database» more  ICDE 2007»
16 years 5 months ago
Selecting Stars: The k Most Representative Skyline Operator
Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of selecting k skyline points so that the number of points,...
Xuemin Lin, Yidong Yuan, Qing Zhang, Ying Zhang
PDPTA
2004
15 years 5 months ago
Efficient Disk Replacement and Data Migration Algorithms for Large Disk Subsystems
Random data placement has recently emerged as an alternative to traditional data striping. From a performance perspective, it has been demonstrated to be an efficient and scalable...
Roger Zimmermann, Beomjoo Seo
VLSID
1999
IEEE
87views VLSI» more  VLSID 1999»
15 years 8 months ago
Optimal Retiming for Initial State Computation
Retiming is a transformation that optimizes a sequential circuit by relocating the registers. When the circuit has an initial state, one must compute an equivalent initial state f...
Peichen Pan, Guohua Chen