C. Vassilakis. An Optimisation Scheme for Coalesce/Valid Time Selection Operator Sequences. SIGMOD Record, 29(1): 38--43 (2000). Home/Search Document Details and Download
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A Middleware Approach to Temporal Query Processing - Slivinskas (2001) (Correct)
....data. Meanwhile, queries on temporal data are often hard to formulate in SQL and slow to compute in conventional DBMSs, leading to ad hoc management of temporal data at the application level. Recent advances in temporal query languages [EJS98, JS99] and temporal query processing algorithms [BSS96, PJ99, Sno00, Vas00, YW01] show that such database applications may benefit substantially from built in temporal support in the DBMS; the support needed should offer convenient ways to formulate temporal queries as well as a tight integration of temporal operators and algorithms into a DBMS s query optimization and ....
....query optimization [GS90, LM93] primarily considers the processing of joins and semijoins. Perhaps most prominently, Gunadhi and Segev [GS90] define several kinds of temporal joins and discuss their optimization. They do not delve into the general query optimization considered here. Vassilakis [Vas00] presents an optimization scheme for sequences of coalescing and temporal selection; when introducing coalescing to our framework, this scheme can be adopted in the form of transformation rules. Related work in selectivity estimation for temporal operators includes [GS90, Seg93, SS00] we use some ....
C. Vassilakis. An Optimisation Scheme for Coalesce/Valid Time Selection Operator Sequences. SIGMOD Record, 29(1): 38--43 (2000).
Adaptable Query Optimization and Evaluation in Temporal.. - Slivinskas, Jensen.. (2001) (1 citation) (Correct)
....query optimization [GS90, LM93] primarily considers the processing of joins and semijoins. Perhaps most prominently, Gunadhi and Segev [GS90] define several kinds of temporal joins and discuss their optimization. They do not delve into the general query optimization considered here. Vassilakis [Vas00] presents an optimization scheme for sequences of coalescing and temporal selection; when introducing coalescing to our framework, this scheme can be adopted in the form of transformation rules. Related work in selectivity estimation for temporal operators includes [GS90, Seg93, SS00] we use some ....
C. Vassilakis. An Optimisation Scheme for Coalesce/Valid Time Selection Operator Sequences. SIGMOD Record, 29(1): 38--43 (2000).
Adaptable Query Optimization and Evaluation in Temporal.. - Slivinskas, Jensen.. (2001) (1 citation) (Correct)
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C. Vassilakis. An Optimisation Scheme for Coalesce/Valid Time Selection Operator Sequences. SIGMOD Record, 29(1): 38--43 (2000).
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