Migrating data-intensive web sites into the Semantic Web
Proceedings of the 2002 ACM symposium on Applied computing
Towards a Better Understanding of Context and Context-Awareness
HUC '99 Proceedings of the 1st international symposium on Handheld and Ubiquitous Computing
QuizRDF: Search Technology for the Semantic Web
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 4 - Volume 4
A hybrid approach for searching in the semantic web
Proceedings of the 13th international conference on World Wide Web
Swoogle: a search and metadata engine for the semantic web
Proceedings of the thirteenth ACM international conference on Information and knowledge management
A space-identifying ubiquitous infrastructure and its application for tour-guiding service
Proceedings of the 2008 ACM symposium on Applied computing
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Ubiquitous ID is a general purpose framework for implementing context-aware ubiquitous computing applications, where identifiers (called ucode numbers) and their relations are maintained in a large scale distributed database called UCRDB. Since we have to maintain a huge amount of data in UCRDB, it is sometimes desirable to delegate some subqueries to the "legacy" text-base search engines. In this paper, we propose a new query language construct for UCRDB (but can be applied to any other similar technologies such as RDF databases) that enables such a dynamic linking. Using this approach, context of the real world and legacy contents exist in the digital space can be seamlessly combined, and we can view UCRDB and legacy search engines as a single hybrid database so that no programming to "hard-wire" existing services is required. Furthermore, in our system, configurations of dynamic linking are described as a rule base stored in UCRDB itself, thus the resulting system is very simple but highly flexible and extensible.