Multidimensional access methods
ACM Computing Surveys (CSUR)
ACM Computing Surveys (CSUR)
R-trees: a dynamic index structure for spatial searching
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
How to Build a Digital Library
How to Build a Digital Library
The 2dr-tree: a 2-dimensional spatial access method
The 2dr-tree: a 2-dimensional spatial access method
The challenge of creating cooperating mobile services: experiences and lessons learned
ACSC '06 Proceedings of the 29th Australasian Computer Science Conference - Volume 48
Location-Based mobile querying in peer-to-peer networks
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems
The TIP/Greenstone bridge: a service for mobile location-based access to digital libraries
ECDL'06 Proceedings of the 10th European conference on Research and Advanced Technology for Digital Libraries
Contextual queries express mobile information needs
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
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Mobile information systems need to collaborate with each other to provide seamless information access to the user. Information about the user and their context provides the points of contact between the systems. Location is the most basic user context. TIP is a mobile tourist information system that also provides location-based access to documents in the digital library Greenstone. This paper identifies the challenges for providing efficient access to location-based information using the various access modes a tourist requires on their travels. We discuss our extended 2DR-tree approach to meet these challenges.