Sciweavers

1638 search results - page 143 / 328
» A General Semantics for Evaluation Logic
Sort
View
POPL
2012
ACM
13 years 6 months ago
The ins and outs of gradual type inference
Gradual typing lets programmers evolve their dynamically typed programs by gradually adding explicit type annotations, which confer benefits like improved performance and fewer r...
Aseem Rastogi, Avik Chaudhuri, Basil Hosmer
PODS
2006
ACM
196views Database» more  PODS 2006»
15 years 10 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
IS
2007
14 years 10 months ago
Semantic optimization techniques for preference queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
Jan Chomicki
EMNLP
2009
14 years 8 months ago
Generating High-Coverage Semantic Orientation Lexicons From Overtly Marked Words and a Thesaurus
Sentiment analysis often relies on a semantic orientation lexicon of positive and negative words. A number of approaches have been proposed for creating such lexicons, but they te...
Saif Mohammad, Cody Dunne, Bonnie J. Dorr
CSFW
2011
IEEE
13 years 10 months ago
Modular Protections against Non-control Data Attacks
—This paper introduces YARRA, a conservative extension to C to protect applications from non-control data attacks. YARRA programmers specify their data integrity requirements by ...
Cole Schlesinger, Karthik Pattabiraman, Nikhil Swa...