ACM Transactions on Database Systems (TODS)
TourisT: the application of a description logic based semantic hypermedia system for tourism
Proceedings of the ninth ACM conference on Hypertext and hypermedia : links, objects, time and space---structure in hypermedia systems: links, objects, time and space---structure in hypermedia systems
Logic programming and knowledge representation-the A-prolog perspective
Artificial Intelligence
Semantically enriched web services for the travel industry
ACM SIGMOD Record
The DLV system for knowledge representation and reasoning
ACM Transactions on Computational Logic (TOCL)
Experimenting with recursive queries in database and logic programming systems
Theory and Practice of Logic Programming
Combining the semantic web with dynamic packaging systems
AIKED'06 Proceedings of the 5th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering and Data Bases
SPETA: Social pervasive e-Tourism advisor
Telematics and Informatics
Journal of Logic and Computation
A 25-year perspective on logic programming
ASP at work: spin-off and applications of the DLV system
Logic programming, knowledge representation, and nonmonotonic reasoning
The HiLeX system for semantic information extraction
Transactions on Large-Scale Data- and Knowledge-Centered Systems V
The disjunctive datalog system DLV
Datalog'10 Proceedings of the First international conference on Datalog Reloaded
The intelligent grounder of DLV
Correct Reasoning
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In this paper we present the IDUM system, a successful application of logic programming to e-tourism. IDUM exploits two technologies that are based on the state-of-the-art ASP system DLV : (i) a system for ontology representation and reasoning, called OntoDLV; and, (ii) H$\imath$L*** X a semantic information extraction tool. The core of IDUM is an ontology which models the domain of the touristic offers. The ontology is automatically populated by extracting the information contained in the touristic leaflets produced by tour operators. A set of specifically devised ASP programs is used to reason on the information contained in the ontology for selecting the holiday packages that best fit the customer needs. An intuitive web-based user interface eases the task of interacting with the system for both the customers and the operators of a travel agency.