Principles of database and knowledge-base systems, Vol. I
Principles of database and knowledge-base systems, Vol. I
The EGG/YOLK reliability hierarchy: semantic data integration using sorts with prototypes
CIKM '94 Proceedings of the third international conference on Information and knowledge management
User interface evaluation of a direct manipulation temporal visual query language
MULTIMEDIA '97 Proceedings of the fifth ACM international conference on Multimedia
A visual tool for querying geographic databases
AVI '00 Proceedings of the working conference on Advanced visual interfaces
Maintaining knowledge about temporal intervals
Communications of the ACM
Query languages for multimedia search
Principles of visual information retrieval
Visual query tools for uncertain spatio-temporal data
MULTIMEDIA '01 Proceedings of the ninth ACM international conference on Multimedia
IEEE Transactions on Knowledge and Data Engineering
Visualizing queries on databases of temporal histories: new metaphors and their evaluation
Data & Knowledge Engineering - Special issue: Temporal representation and reasoning
Metaphors for Visual Querying Spatio-Temporal Databases
VISUAL '00 Proceedings of the 4th International Conference on Advances in Visual Information Systems
Multi-sensor Information Fusion by Query Refinement
VISUAL '02 Proceedings of the 5th International Conference on Recent Advances in Visual Information Systems
Visual Query Operators for Temporal Databases
TIME '97 Proceedings of the 4th International Workshop on Temporal Representation and Reasoning (TIME '97)
Querying distributed multimedia databases and data sources for sensor data fusion
IEEE Transactions on Multimedia
A visual query language for dynamic processes applied to a scenario driven environment
Journal of Visual Languages and Computing
Phenomena - A visual environment for querying heterogenous spatial data
Journal of Visual Languages and Computing
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Query languages for sensor data will have similarities with traditional query languages but will also have diverging properties that cause a higher complexity than the traditional ones. Both types require data independence. However, as different sensors create data of heterogeneous type the commonly used methods for data selection cannot be used. Furthermore, sensor data will always be associated with uncertainties and since also sensor data fusion must be possible to carry out this cause further problem in development of the query languages. Here a visual query language for sensor data input is discussed from these perspectives to allow a complete set of spatial temporal queries by means of its visual user interface.