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VLDB
1998
ACM
92views Database» more  VLDB 1998»
13 years 12 months ago
Optimal Histograms with Quality Guarantees
H. V. Jagadish, Nick Koudas, S. Muthukrishnan, Vis...
VLDB
1998
ACM
108views Database» more  VLDB 1998»
13 years 12 months ago
MindReader: Querying Databases Through Multiple Examples
Users often can not easily express their queries. For example, in a multimedia image by content setting, the user might want photographs with sunsets; in current systems, like QBI...
Yoshiharu Ishikawa, Ravishankar Subramanya, Christ...
VLDB
1998
ACM
123views Database» more  VLDB 1998»
13 years 12 months ago
Diag-Join: An Opportunistic Join Algorithm for 1:N Relationships
Time of creation is one of the predominant (often implicit) clustering strategies found not only in Data Warehouse systems: line items are created together with their correspondin...
Sven Helmer, Till Westmann, Guido Moerkotte
VLDB
1998
ACM
79views Database» more  VLDB 1998»
13 years 12 months ago
Low-Cost Compensation-Based Query Processing
Øystein Grøvlen, Svein-Olaf Hvasshov...
VLDB
1998
ACM
121views Database» more  VLDB 1998»
13 years 12 months ago
Hash Joins and Hash Teams in Microsoft SQL Server
The query execution engine in Microsoft SQL Server employs hash-based algorithms for inner and outer joins, semi-joins, set operations (such as intersection), grouping, and duplic...
Goetz Graefe, Ross Bunker, Shaun Cooper
VLDB
1998
ACM
111views Database» more  VLDB 1998»
13 years 12 months ago
Expiring Data in a Warehouse
Data warehouses collect data into materialized views for analysis. After some time, some of the data may no longer be needed or may not be of interest. In this paper, we handle th...
Hector Garcia-Molina, Wilburt Labio, Jun Yang 0001
VLDB
1998
ACM
82views Database» more  VLDB 1998»
13 years 12 months ago
Resource Scheduling for Composite Multimedia Objects
Scheduling algorithms for composite multimedia presentations need to ensure that the user-defined synchronization constraints for the various presentation components are met. This...
Minos N. Garofalakis, Yannis E. Ioannidis, Banu &O...
VLDB
1998
ACM
97views Database» more  VLDB 1998»
13 years 12 months ago
Design and Analysis of Parametric Query Optimization Algorithms
Query optimizers normally compile queries into one optimal plan by assuming complete knowledge of all cost parameters such asselectivity and resourceavailability. The execution of...
Sumit Ganguly
VLDB
1998
ACM
144views Database» more  VLDB 1998»
13 years 12 months ago
Proximity Search in Databases
An information retrieval IR engine can rank documents based on textual proximityof keywords within each document. In this paper we apply this notion to search across an entire dat...
Roy Goldman, Narayanan Shivakumar, Suresh Venkatas...