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» Modeling and Querying Semi-structured Data
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EDBT
2010
ACM
151views Database» more  EDBT 2010»
15 years 11 months ago
Warm cache costing: a feedback optimization technique for buffer pool aware costing
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
H. S. Ramanujam, Edwin Seputis
GIS
2006
ACM
16 years 7 months ago
Object localization based on directional information case of 2D vector data
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
Stelian Coros, JingBo Ni, Pascal Matsakis
VLDB
2002
ACM
141views Database» more  VLDB 2002»
16 years 6 months ago
Data page layouts for relational databases on deep memory hierarchies
Relational database systems have traditionally optimized for I/O performance and organized records sequentially on disk pages using the N-ary Storage Model (NSM) (a.k.a., slotted ...
Anastassia Ailamaki, David J. DeWitt, Mark D. Hill
TIME
2005
IEEE
16 years 2 days ago
An XML-Based Framework for Temporal Database Implementation
This paper presents an XML-based approach to implementing the parametric model of temporal databases. In the parametric model, attribute values are functions of time and the entir...
Seo-Young Noh, Shashi K. Gadia
ICDE
2010
IEEE
226views Database» more  ICDE 2010»
16 years 6 months ago
Approximation Trade-Offs in Markovian Stream Processing: An Empirical Study
Abstract-- A large amount of the world's data is both sequential and imprecise. Such data is commonly modeled as Markovian streams; examples include words/sentences inferred f...
Julie Letchner, Christopher Re, Magdalena Balazins...