'Very large data bases' presentation slideshows

Deadlocks in Distributed Systems

Deadlocks in Distributed Systems. Ryan Clemens, Thomas Levy, Daniel Salloum , Tagore Kolluru , Mike DeMauro. Outline. Distributed systems Deadlock basics Strategies Algorithms Simulation. What is a distributed system?. A collection of sites which communicate via message passing.

530 views • 27 slides

Automatic Tuning of the MULTIPROGRAMMING LEVEL in Sybase SQL Anywhere

Automatic Tuning of the MULTIPROGRAMMING LEVEL in Sybase SQL Anywhere. Mohammed Abouzour , Kenneth Salem , Peter Bumbulis Presentation by Mohammed Abouzour SMDB2010. Introduction to Problem. Database servers have two main architectures: Worker-per-connection: (Oracle, Sybase ASE)

377 views • 23 slides

GRAIL: Scalable Reachability Index for Large Graphs

490 views • 17 slides

Adaptive Query Processing

Adaptive Query Processing. CSE 8330. Conventional Query Processing. Statistics generation Query optimization Query execution. Motivations. Unreliable cardinality e stimates Complex queries Changes in the runtime environment Query interactivity Multi-query optimization.

402 views • 13 slides

eXtract: A Snippet Generation System for XML Search

eXtract: A Snippet Generation System for XML Search. Yu Huang, Ziyang Liu, Yi Chen Arizona State University . http://eXtract.asu.edu. Motivation: . Good snippets help users to easily judge the relevance and find desired results. Problem: How to generate good snippets for XML search?.

142 views • 1 slides

Early Profile Pruning on XML-aware Publish-Subscribe Systems

Bib. article . article. vol. year. title. title. root. no. Q1 a. Q2 a. Q4 a. Q5 e. Q6 e. Q3 a. 7. 1996. Profile Index. Profiles. proceedings. t1. 11. t2. a. a. a. a. a. a. a. a. a. a. a. year. SIGMOD. journal. a 1. author. b. c. e. e. f. g. P1.

121 views • 1 slides