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Content Provider | IEEE Xplore Digital Library |
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Author | Behrend, A. Schmiegelt, P. Gawlick, D. Zhen Hua Liu Fehling, R. |
Copyright Year | 2015 |
Description | Author affiliation: Oracle Corp., San Jose, CA, USA (Gawlick, D.; Zhen Hua Liu; Fehling, R.) || Fraunhofer FKIE, Wachtberg, Germany (Schmiegelt, P.) || Univ. of Bonn, Bonn, Germany (Behrend, A.) |
Abstract | Situation awareness refers to the capability of systems to perceive an existing or predicted context that determines the values of variables in a changing environment. Despite the enhanced support for managing timestamped data, current database systems still lack mechanisms for handling temporal situations in which data may change frequently. We present first results from an ongoing research project investigating these missing database features. In particular, we identify (i) the requirements for representing complex situations as spatio-temporal data, (ii) the reasoning capabilities needed for detecting valid relationships between situations, and (iii) the operators necessary for supporting situation-based reasoning. Our investigations are based on a new perception concept, which comprises interval timestamped data derived from observed events and processed using the sequenced semantics. Perceptions provide a high level (and qualitative) description of past and current situations, complemented by projections into the future. |
Starting Page | 334 |
Ending Page | 341 |
File Size | 1463591 |
Page Count | 8 |
File Format | |
ISBN | 9781467366564 |
DOI | 10.1109/IRI.2015.58 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2015-08-13 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Cognition Calculus Database systems Liver Medical services Monitoring Situation Awareness Healtcare Database |
Content Type | Text |
Resource Type | Article |
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