Logical foundations of object-oriented and frame-based languages
Journal of the ACM (JACM)
Towards a standard upper ontology
Proceedings of the international conference on Formal Ontology in Information Systems - Volume 2001
Understanding and Using Context
Personal and Ubiquitous Computing
User Modeling for Personalized City Tours
Artificial Intelligence Review
Location Based Services
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Proceedings of the 12th annual ACM international workshop on Geographic information systems
Communications of the ACM - The disappearing computer
Service Roaming in Mobile Applications
SCC '05 Proceedings of the 2005 IEEE International Conference on Services Computing - Volume 01
Supporting ontology-based semantic matching in RDBMS
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Context- and situation-awareness in information logistics
EDBT'04 Proceedings of the 2004 international conference on Current Trends in Database Technology
Resolving uncertainty in context integration and abstraction: context integration and abstraction
Proceedings of the 5th international conference on Pervasive services
Towards context-aware multimedia processing through semantic web services
Proceedings of the seventh european conference on European interactive television conference
A successful field test of a mobile and multilingual information service system COMPASS2008
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: applications and services
A situation-aware approach for dealing with uncertain context-aware paradigm
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Toward a common model and a markup language for personal gazetteers
Proceedings of the 2nd ACM International Workshop on Hot Topics in Planet-scale Measurement
Combining fuzzy logic and semantic web to enable situation-awareness in service recommendation
DEXA'10 Proceedings of the 21st international conference on Database and expert systems applications: Part I
Review: Situation identification techniques in pervasive computing: A review
Pervasive and Mobile Computing
Semantic access control for corporate mobile devices
ICA3PP'10 Proceedings of the 10th international conference on Algorithms and Architectures for Parallel Processing - Volume Part II
An adaptive rule-based approach for managing situation-awareness
Expert Systems with Applications: An International Journal
A spatial data infrastructure situation-aware to the 2014 world cup
ICCSA'12 Proceedings of the 12th international conference on Computational Science and Its Applications - Volume Part I
Context-aware content adaptation in access point
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
A situation-based delivery of learning resources in pervasive learning
EC-TEL'07 Proceedings of the Second European conference on Technology Enhanced Learning: creating new learning experiences on a global scale
Computationally Significant Semantics in Pervasive Healthcare
Journal of Integrated Design & Process Science
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Mobile devices such as personal digital assistants (PDAs) and mobile phones are in widespread use already today and converging to mobile smart phones. They enable users to access a wide range of services and information without guidance through their actual demands. Especially during mass events like the Olympic Games 2008 in Beijing--which was initially the context of our work--a large service space is expected to support all mobile visitors, being athletes, journalists, or spectators. Current approaches tackling such problems are location based, meaning that a user's location is central to service provision, and even context-aware, meaning that, beyond location, characteristics of a user's environment are taken into account. Such information obviously helps to deliver relevant information at the right time to the mobile users. Going one step further, a situation-aware system abstracts from the context dimensions by translating specific contexts into logical situations. Knowing the situation end users are in allows the system to better identify the information to be delivered to them and to choose the appropriate services with regard to their scope, which is referred to as service roaming. Even though many context frameworks have been introduced in the past few years, what is usually missing is the notion of characteristic features of contexts that are invariant during certain time intervals. This paper presents these concepts in the context of a platform development, namely FLAME2008, which is able to support its mobile users with personalized situation-aware services in push and pull mode.