Maintaining knowledge about temporal intervals
Communications of the ACM
ICDE '95 Proceedings of the Eleventh International Conference on Data Engineering
Identifying Temporal Patterns for Characterization and Prediction of Financial Time Series Events
TSDM '00 Proceedings of the First International Workshop on Temporal, Spatial, and Spatio-Temporal Data Mining-Revised Papers
General purpose database summarization
VLDB '05 Proceedings of the 31st international conference on Very large data bases
On efficiently summarizing categorical databases
Knowledge and Information Systems
Event summarization for system management
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Summarization – compressing data into an informative representation
Knowledge and Information Systems
Constructing comprehensive summaries of large event sequences
Proceedings of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining
EventSummarizer: a tool for summarizing large event sequences
Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology
An interval-based representation of temporal knowledge
IJCAI'81 Proceedings of the 7th international joint conference on Artificial intelligence - Volume 1
Constructing comprehensive summaries of large event sequences
ACM Transactions on Knowledge Discovery from Data (TKDD)
Visualization and Web Services for Studying Molecular Properties
ICCSA '09 Proceedings of the 2009 International Conference on Computational Science and Its Applications
Time sequence summarization to scale up chronology-dependent applications
Proceedings of the 18th ACM conference on Information and knowledge management
An algorithmic approach to event summarization
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
ICCSA'11 Proceedings of the 2011 international conference on Computational science and its applications - Volume Part III
Proceedings of the 20th ACM international conference on Information and knowledge management
LogSig: generating system events from raw textual logs
Proceedings of the 20th ACM international conference on Information and knowledge management
Distributed and collaborative learning objects repositories on grid networks
ICCSA'10 Proceedings of the 2010 international conference on Computational Science and Its Applications - Volume Part IV
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During last years we have seen an impressive growth and diffusion of applications shared and used by a huge amount of users around the world, like for example social networks, web portals or elearning platforms. Such systems produce in general a large amount of data, normally stored in its raw format in log file systems and databases. To prevent an unmanageable growing of the necessary space to store data and the breakdown of data usability, such data can be condensed and summarized to improve reporting performance and reduce the system load. This data summarization reduces the amount of space that is required to store software data but produces, as a side effect, a decrease of their informative capability due to an information loss. In this work the problem of summarizing data obtained by the log systems of applications with a lot of users is studied. In particular a model to represent these raw data as temporal events collected in time sequences is proposed, methods to reduce the data size, collapsing the descriptions of more events in a unique descriptor or in a smaller set of descriptors, are provided and the optimal summarization problem is posed.