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NLJUG
Postbus 54
3780 BB Voorthuizen

Telefoon
0900-BEL NLJUG (10 ct/m)
0900-2356558 (10 ct/m)

Fax
0342 475880

Email
Algemeen: info@nljug.org
Leden: members@nljug.org

BTW: NL814104484B01
KVK: 30200958

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Rabo: 3123.20.973
BIC: RABONL2U
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Membership

Membership provides members free access to the NLJUG workshops and events on a variety of Java topics, held across the country on a regular basis. Plus on a quarterly basis the Java Magazine published by Array Systems. The NLJUG is a member of a worldwide network of Java User Groups.

Fill in the form to sign up.

NLJUG

Founded in 1998, the Dutch Java Users Group consists of business partners, software developers, application architects, technical managers, students, and new media developers that have a common interest in all aspects of Java Technology.

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Het JavaMagazine, gratis bij een NL-JUG lidmaatschap

Aircraft Scheduling, DNA Sequencing and Sudoko - Solving Constraint Satisfaction Problems in Java

Have you ever tried to schedule a meeting for a group of busy persons with lots of agenda constraints, solve a crossword or Sudoku puzzle or optimally allocate scarce resources to activities? If so, you have, consciously or unconsciously, been dealing with a Constraint Satisfaction Problem. Typically, these problems require some form of human intelligence to be solved adequately, and cannot be solved automatically by straight-forward algorithms within an acceptable amount of time. This presentation will show you an effective way to solve these problems and examples of how to implement it in Java.
Constraint Satisfaction Problems (CSPs) are, at their core, complex search problems which are stated in terms of variables, their domains and constraints on those variables.

After having attended this presentation, the audience will:
• know the theory behind CSPs and their solution strategies;
• be able to recognize a CSP when it encounters one;
• be able to model a non-complex problem as a CSP;
• be able to solve a non-complex CSP using a Java CSP framework;
• know the theory behind Constraint Relaxation.

 

 

 

Nicolas van Hanxleden Houwert 
Iprofs
Nicolas van Hanxleden Houwert is a Solutions Architect at IPROFS with an interest in expert systems, complex search problems and their solution by using specialised models and algorithmic strategies. His experience gained within this field covers several domains, including those of automated aircraft scheduling and decision support (Dutch National Aerospace Laboratory / Schiphol Airport), optimised routing of telephone calls for the largest call-center in the Netherlands (Siemens Business Services / Belastingdienst), bioinformatics and DNA sequencing (University College Dublin). In the past, he has evangelised these topics within his capacity as a Software Engineering lecturer