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» Symmetry and Satisfiability: An Update
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ICFP
2007
ACM
15 years 11 months ago
Bidirectionalization transformation based on automatic derivation of view complement functions
Bidirectional transformation is a pair of transformations: a view function and a backward transformation. A view function maps one data structure called source onto another called...
Kazutaka Matsuda, Zhenjiang Hu, Keisuke Nakano, Ma...
ICDE
2008
IEEE
153views Database» more  ICDE 2008»
16 years 1 months ago
Increasing the Expressivity of Conditional Functional Dependencies without Extra Complexity
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...
Loreto Bravo, Wenfei Fan, Floris Geerts, Shuai Ma
VLDB
2007
ACM
137views Database» more  VLDB 2007»
15 years 12 months ago
Improving Data Quality: Consistency and Accuracy
Two central criteria for data quality are consistency and accuracy. Inconsistencies and errors in a database often emerge as violations of integrity constraints. Given a dirty dat...
Gao Cong, Wenfei Fan, Floris Geerts, Xibei Jia, Sh...
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IROS
2007
IEEE
138views Robotics» more  IROS 2007»
15 years 6 months ago
On-demand sharing of a high-resolution panorama video from networked robotic cameras
— Due to their flexibility in coverage and resolution, networked robotic cameras become more and more popular in applications such as natural observation, security surveillance,...
Ni Qin, Dezhen Song
ISPA
2005
Springer
15 years 5 months ago
Hybrid Authentication and Key Management Scheme for WSANs
:Wireless Sensor and Actor Networks (WSANs) consist of three types of nodes with different capabilities and functions. Because of these heterogeneities, current network security ...
Xiaomei Cao, Mao Lin Huang, YueQuan Chen, Guihai C...