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BIRTHDAY
1992
Springer
15 years 10 months ago
Single Tree Grammars
A context-free grammar is a single-tree grammar (STG) if every nonterminal symbol has at most one production rule whose right hand side contains nonterminal symbols. Various prope...
Sheila A. Greibach, Weiping Shi, Shai Simonson
FOCS
2007
IEEE
16 years 21 days ago
Towards Sharp Inapproximability For Any 2-CSP
We continue the recent line of work on the connection between semidefinite programming-based approximation algorithms and the Unique Games Conjecture. Given any boolean 2-CSP (or...
Per Austrin
VL
2006
IEEE
220views Visual Languages» more  VL 2006»
16 years 11 days ago
AgentCubes: Raising the Ceiling of End-User Development in Education through Incremental 3D
Now that we have end-user programming environments capable of empowering kids with no programming background to build games in a matter of hours, a new quest for raising the ceili...
Alexander Repenning, Andri Ioannidou
CSCW
2008
ACM
15 years 8 months ago
"Are you watching this film or what?": interruption and the juggling of cohorts
A proliferation of mobile devices in everyday life has increased the likelihood of technologically mediated interruptions. We examine ethnographic data from an SMSbased pervasive ...
Peter Tolmie, Andy Crabtree, Tom Rodden, Steve Ben...
SPIN
2010
Springer
15 years 4 months ago
Analysing Mu-Calculus Properties of Pushdown Systems
Pushdown systems provide a natural model of software with recursive procedure calls. We provide a tool implementing an algorithm for computing the winning regions of a pushdown par...
Matthew Hague, C.-H. Luke Ong