Signal plan design for complex intersections: a constraint satisfaction programming approach

1996 ◽  
Author(s):  
G. Scemama
Keyword(s):  
Constraint Satisfaction ◽  
Programming Approach ◽  
Plan Design ◽  
Constraint Satisfaction Programming

Floor plan design using block algebra and constraint satisfaction

2012 ◽  
Vol 26 (2) ◽  
pp. 361-382 ◽  
Author(s):  
Francisco Regateiro ◽  
João Bento ◽  
Joaquim Dias
Keyword(s):  
Constraint Satisfaction ◽  
Floor Plan ◽  
Plan Design ◽  
Block Algebra

AUTOMATIC GENERATION OF CROSSWORD PUZZLES

2012 ◽  
Vol 21 (03) ◽  
pp. 1250014 ◽  
Author(s):  
LEONARDO RIGUTINI ◽  
MICHELANGELO DILIGENTI ◽  
MARCO MAGGINI ◽  
MARCO GORI
Keyword(s):  
Language Processing ◽  
Constraint Satisfaction ◽  
Information Sources ◽  
Ad Hoc ◽  
State Of The Art ◽  
Automatic Generation ◽  
Processing Techniques ◽  
Constraint Satisfaction Programming ◽  
The Web ◽  
Crossword Puzzles

Crossword puzzles are used everyday by millions of people for entertainment, but have applications also in educational and rehabilitation contexts. Unfortunately, the generation of ad-hoc puzzles, especially on specific subjects, typically requires a great deal of human expert work. This paper presents the architecture of WebCrow-generation, a system that is able to generate crosswords with no human intervention, including clue generation and crossword compilation. In particular, the proposed system crawls information sources on the Web, extracts definitions from the downloaded pages using state-of-the-art natural language processing techniques and, finally, compiles the crossword schema with the extracted definitions by constraint satisfaction programming. The system has been tested on the creation of Italian crosswords, but the extensive use of machine learning makes the system easily portable to other languages.

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