'Query processing' diaporamas de présentation

Query Processing and Networking Infrastructures

Query Processing and Networking Infrastructures. Day 1 of 2 Joe Hellerstein UC Berkeley Septemer 20, 2002. Two Goals. Day 1: Primer on query processing Targeted to networking/OS folk Bias: systems issues Day 2: Seed some cross-fertilized research Especially with networking

1.15k views • 95 slides

Static Analysis and Verification

862 views • 78 slides

ICS 214B: Transaction Processing and Distributed Data Management

837 views • 70 slides

The Future of MOCHA

The Future of MOCHA. Nick Roussopoulos October 5, 2001. The Problem. Distributed and heterogeneous data sources. Data Sources for an enterprise are : Distributed Internet, intranets, extranets Heterogeneous Web servers, relational databases, file systems Mission-critical

850 views • 69 slides

Chapter 15: Query Processing

Chapter 15: Query Processing. Chapter 15: Query Processing. Overview Measures of Query Cost Selection Operation Sorting Join Operation Other Operations Evaluation of Expressions. Basic Steps in Query Processing. 1. Parsing and translation 2. Optimization 3. Evaluation.

867 views • 59 slides

Data Integration: The Teenage Years

Data Integration: The Teenage Years. Alon Halevy (Google) Anand Rajaraman (Kosmix) Joann Ordille (Avaya) VLDB 2006. Agenda. A few perspectives on the last 10 years Technical, commercial Perspectives from our personal paths Wild speculations about the future

822 views • 54 slides

CS520 Web Programming Full Text Search

958 views • 50 slides

Lecture 1 : Full-text Indexing

Lecture 1 : Full-text Indexing. ????? ??????? wyang@ntu.edu.tw ??????? Introduction to Information Retrieval ??? ??? Ch 1 & 2. Definition of information retrieval. Information retrieval (IR) is finding material (usually documents) of

601 views • 39 slides

Model-Based Mediation with Domain Maps

441 views • 30 slides

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 1: Boolean retrieval. Information Retrieval.

396 views • 25 slides

Structure and Content Scoring for XML

445 views • 23 slides

Correlated Queries

Correlated Queries. A nested query that requires the subquery to be evaluated many times; once for each value in the outer query. Example: Find movies whose title appears more than once. SELECT title FROM Movie AS Old WHERE year < ANY ( SELECT year

326 views • 22 slides

The Design of an Acquisitional Query Processor For Sensor Networks

The Design of an Acquisitional Query Processor For Sensor Networks. Samuel Madden, Michael J. Franklin, Joseph M. Hellerstein, and Wei Hong Presentated By Muhammed Z. Miah May 02, 2006. Goals. Provide a query processor for data collection in sensor networks

374 views • 21 slides

Query Processing of Massive Trajectory Data based on MapReduce

Query Processing of Massive Trajectory Data based on MapReduce. Qiang Ma, Bin Yang ( Fudan University) Weining Qian , Aoying Zhou (ECNU) Presented By: Xin Cao (Aalborg University). Outline. Introduction Preliminary Trajectory Processing Execution Overview Storage Indexing Methods

327 views • 19 slides

Outline

Outline. Introduction Background Distributed DBMS Architecture Distributed Database Design (Briefly) Distributed Query Processing (Briefly) Distributed Transaction Management (Extensive) Building Distributed Database Systems (RAID) Mobile Database Systems

612 views • 18 slides

Massively Distributed Database Systems - Distributed DBS

Massively Distributed Database Systems - Distributed DBS. Spring 2014 Ki- Joune Li http://isel.cs.pusan.ac.kr/~lik Pusan National University. Pros and Cons. Software Cost and Complexity Processing Overhead Data Integrity Slow Response Disadvantages. Reliability and Availability

266 views • 16 slides

Result presentation

Result presentation. Search Interface. Input and output functionality helping the user to formulate complex queries presenting the results in an intelligent manner Semantic Search brings improvements in Query formulation Snippet generation Adaptive and interactive presentation

240 views • 15 slides

Querying Encrypted Data using Fully Homomorphic Encryption

Querying Encrypted Data using Fully Homomorphic Encryption. Murali Mani, UMFlint Talk given at CIDR, Jan 7, 2013. Scenario. Hand over data. Content-Owner (Client). Request content (Query). Limited resources (cannot host data). Cloud Service Provider (Content Host)

268 views • 14 slides

Physical Database Design & Performance

Physical Database Design & Performance. Optimizing for Query Performance. For DBs with high retrieval traffic as compared to maintenance traffic, optimizing the DB for query performance is the primary goal. The amount of work required to do so greatly depends on the type of DBMS.

345 views • 13 slides

Bhargav Kanagal & Amol Deshpande University of Maryland

Online Filtering, Smoothing & Probabilistic Modeling of Streaming Data In short, Applying probabilistic models to Streams. Bhargav Kanagal & Amol Deshpande University of Maryland. Motivation.

172 views • 10 slides