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COLING
2002
13 years 7 months ago
An Indexing Scheme for Typed Feature Structures
This paper describes an indexing substrate for typed feature structures (ISTFS), which is an efficient retrieval engine for typed feature structures. Given a set of typed feature ...
Takashi Ninomiya, Takaki Makino, Jun-ichi Tsujii
FLAIRS
2008
13 years 10 months ago
Causal Reasoning with Contexts Using Dependent Types
In Artificial Intelligence, a crucial requirement is the ability to reason about actions and their effects on the environment. Traditional approaches which rely on classical logic...
Richard Dapoigny, Patrick Barlatier
DBPL
1999
Springer
102views Database» more  DBPL 1999»
13 years 12 months ago
Union Types for Semistructured Data
Semistructured databases are treated as dynamically typed: they come equipped with no independent schema or type system to constrain the data. Query languages that are designed fo...
Peter Buneman, Benjamin C. Pierce
ESOP
2009
Springer
14 years 2 months ago
Well-Typed Programs Can't Be Blamed
We show how contracts with blame fit naturally with recent work on hybrid types and gradual types. Unlike hybrid types or gradual types, we require casts in the source code, in o...
Philip Wadler, Robert Bruce Findler
SAC
2009
ACM
14 years 2 months ago
Static type inference for Ruby
Many general-purpose, object-oriented scripting languages are dynamically typed, to keep the language flexible and not reject any programs unnecessarily. However, dynamic typing ...
Michael Furr, Jong-hoon (David) An, Jeffrey S. Fos...