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» Join operations in temporal databases
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82
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EDBT
2009
ACM
117views Database» more  EDBT 2009»
15 years 28 days ago
Parsimonious temporal aggregation
Temporal aggregation is a crucial operator in temporal databases and has been studied in various flavors. In instant temporal aggregation (ITA) the aggregate value at time instan...
Juozas Gordevicius, Johann Gamper, Michael H. B&ou...
ADBIS
1994
Springer
87views Database» more  ADBIS 1994»
15 years 1 months ago
Variations of R-Tree Structure for Indexing of Spatial Objects
The data structures suitable for indexing of large spatial objects in databases are considered. Some generalizations of existing tree methods concerned approximation of spatial ob...
M. G. Martynov
SEBD
2001
145views Database» more  SEBD 2001»
14 years 11 months ago
Reasoning over Conceptual Schemas and Queries in Temporal Databases
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
Alessandro Artale, Enrico Franconi, Milenko Mosuro...
86
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PVLDB
2010
126views more  PVLDB 2010»
14 years 8 months ago
Set Similarity Join on Probabilistic Data
Set similarity join has played an important role in many real-world applications such as data cleaning, near duplication detection, data integration, and so on. In these applicati...
Xiang Lian, Lei Chen 0002
SIGMOD
2003
ACM
115views Database» more  SIGMOD 2003»
15 years 9 months ago
Querying Structured Text in an XML Database
XML databases often contain documents comprising structured text. Therefore, it is important to integrate "information retrieval style" query evaluation, which is well-s...
Shurug Al-Khalifa, Cong Yu, H. V. Jagadish