4 papers
Heterogeneous Data Access Model for Concurrency Control and Methods to Deal with High Data Contention
Alexander Thomasian
OLTP has stringent performance requirements defined by Service Level Agreements. Transaction response time is used to determine the maximum throughout in benchmarks. Capacity plann…
Hierarchical Analyses Applied to Computer System Performance: Review and Call for Further Studies
Alexander Thomasian
We review studies based on analytic and simulation methods for hierarchical performance analysis of Queueing Network - QN models, which result in an order of magnitude reduction in…
RAID Organizations for Improved Reliability and Performance: A Not Entirely Unbiased Tutorial (1st revision)
Alexander Thomasian
RAID proposal advocated replacing large disks with arrays of PC disks, but as the capacity of small disks increased 100-fold in 1990s the production of large disks was discontinued…
Dimensionality Reduced Clustered Data and Order Partition and Stepwise Dimensionality Increasing Indices
Alexander Thomasian
One of the goals of NASA funded project at IBM T. J. Watson Research Center was to build an index for similarity searching satellite images, which were characterized by high-dimens…