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ICDE
2010
IEEE
266views Database» more  ICDE 2010»
16 years 6 months ago
Provenance Browser: Displaying and Querying Scientific Workflow Provenance Graphs
Abstract-- This demonstration presents an interactive provenance browser for visualizing and querying data dependency (lineage) graphs produced by scientific workflow runs. The bro...
Bertram Ludäscher, Manish Kumar Anand, Shawn ...
ICDT
2003
ACM
139views Database» more  ICDT 2003»
15 years 11 months ago
New Rewritings and Optimizations for Regular Path Queries
All the languages for querying semistructured data and the web use as an integral part regular expressions. Based on practical observations, finding the paths that satisfy those r...
Gösta Grahne, Alex Thomo
PLANX
2008
15 years 8 months ago
Complexity of Earliest Query Answering with Streaming Tree Automata
We investigate the complexity of earliest query answering for n-ary node selection queries defined by streaming tree automata (STAs). We elaborate an algorithm that selects query ...
Olivier Gauwin, Anne-Cécile Caron, Joachim ...
SIGIR
2002
ACM
15 years 6 months ago
Using part-of-speech patterns to reduce query ambiguity
Query ambiguity is a generally recognized problem, particularly in Web environments where queries are commonly only one or two words in length. In this study, we explore one techn...
James Allan, Hema Raghavan
OOPSLA
1995
Springer
15 years 10 months ago
Using a Prototype-based Language for User Interface: The Newton Project's Experience
Object-oriented user interface frameworks are usually implemented in a class-based language. We chose instead to develop a prototype-based language, NewtonScript, for this purpose...
Walter R. Smith