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DBPL
1995
Springer
106views Database» more  DBPL 1995»
13 years 11 months ago
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
Guozhu Dong, Leonid Libkin, Limsoon Wong
MOBISYS
2008
ACM
14 years 7 months ago
Sherlock: automatically locating objects for humans
Over the course of a day a human interacts with tens or hundreds of individual objects. Many of these articles are nomadic, relying on human memory to manually index, inventory, o...
Aditya Nemmaluri, Mark D. Corner, Prashant J. Shen...
DAC
2010
ACM
13 years 10 months ago
Scalable specification mining for verification and diagnosis
Effective system verification requires good specifications. The lack of sufficient specifications can lead to misses of critical bugs, design re-spins, and time-to-market slips. I...
Wenchao Li, Alessandro Forin, Sanjit A. Seshia
AGIS
2008
319views more  AGIS 2008»
13 years 7 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
ACMICEC
2008
ACM
240views ECommerce» more  ACMICEC 2008»
13 years 9 months ago
Document-oriented heterogeneous business process integration through collaborative e-marketplace
In this paper, we studied the semantic consistency maintenance issue between heterogeneous contexts, that is, how a firm business process of one e-marketplace can be transformed t...
Jingzhi Guo, Zhuo Hu, Chi-Kit Chan, Yufeng Luo, Ch...