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» Describing differences between databases
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107
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CCS
2007
ACM
15 years 10 months ago
Asirra: a CAPTCHA that exploits interest-aligned manual image categorization
We present Asirra (Figure 1), a CAPTCHA that asks users to identify cats out of a set of 12 photographs of both cats and dogs. Asirra is easy for users; user studies indicate it c...
Jeremy Elson, John R. Douceur, Jon Howell, Jared S...
VLDB
2005
ACM
85views Database» more  VLDB 2005»
15 years 9 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
GG
2004
Springer
15 years 9 months ago
Analysis of Metabolic Pathways by Graph Transformation
Biochemical pathways, such as metabolic, regulatory, and signal transduction pathways, constitute complex networks of functional and physical interactions between molecular species...
Francesc Rosselló, Gabriel Valiente
121
Voted
SIGMOD
1996
ACM
112views Database» more  SIGMOD 1996»
15 years 8 months ago
Performance Tradeoffs for Client-Server Query Processing
The constructionof high-performance databasesystems that combine the best aspects of the relational and object-oriented approaches requires the design of client-server architectur...
Michael J. Franklin, Björn Þór J...
GIS
2004
ACM
16 years 5 months ago
Automatically and accurately conflating orthoimagery and street maps
Recent growth of the geospatial information on the web has made it possible to easily access various maps and orthoimagery. By integrating these maps and imagery, we can create in...
Ching-Chien Chen, Craig A. Knoblock, Cyrus Shahabi...