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WHAT IS THE Isis 2 LIBRARY?

WHAT IS THE Isis 2 LIBRARY?

WHAT IS THE Isis 2 LIBRARY?. Cornell University. Ken Birman. Isis 2 is a technology for replication. Solves the coherent replication/caching problem Like MapReduce , intended for use by a programmer Like Spark, fairly complex because the issues are subtle when you look at them carefully.

By yamal
(95 views)

Data Structures and Algorithms (CS210/ESO207/ESO211 )

Data Structures and Algorithms (CS210/ESO207/ESO211 )

Data Structures and Algorithms (CS210/ESO207/ESO211 ). Lecture 7 Data Structures Modeling versus Implementation Example: Abstract Data Type “List” and its implementations Two interesting data structure problems. Data Structure.

By jersey
(449 views)

Chapter 8 Structured Query Language SQL

Chapter 8 Structured Query Language SQL

Chapter 8 Structured Query Language SQL. Chapter Outline. INTRODUCTION Objective of SQL. History of SQL. Importance of SQL. SQL COMMANDS Tables Creation and Deletion Retrieval Operations. Update Operations VIEWS. INTRODUCTION. Objectives of SQL

By agrata
(91 views)

Assertions, Views and Programming Techniques

Assertions, Views and Programming Techniques

Chapter 9. Assertions, Views and Programming Techniques. Constraints as assertions. In SQL, users can specify general constraints via declarative assertions , using the CREATE ASSERTION statement of the DDL (data definition language).

By bairn
(156 views)

Ontology materialization from relational database sources using D2RQ

Ontology materialization from relational database sources using D2RQ

Ontology materialization from relational database sources using D2RQ. Rajashree Deka Tetherless World Constellation Rensselaer Polytechnic Institute. RDBMS. The majority of data underpinning the Web are stored in Relational Databases (RDB). Advantages: Secure and scalable architecture.

By josef
(120 views)

Succinct Representations of Dynamic Strings

Succinct Representations of Dynamic Strings

Succinct Representations of Dynamic Strings. Meng He and J. Ian Munro University of Waterloo. Background: Succinct Data Structures. What are succinct data structures ( Jacobson 1989 ) Representing data structures using ideally information-theoretic minimum space

By dino
(101 views)

Recent research : Temporal databases

Recent research : Temporal databases

Recent research : Temporal databases. N. L. Sarda nls@cse.iitb.ernet.in. Papers. Handling of alternatives and events in Temporal databases Intl Jour. Of Knowledge & Info Systems (KAIS), to appear, 1999 A framework for Application Evolution Management

By sorena
(88 views)

Κεφάλαιο 3

Κεφάλαιο 3

Κεφάλαιο 3. ΣΧΕΣΙΑΚΟ ΜΟΝΤΕΛΟ. DATABASE SYSTEMS: The Relational Model and Relational Database Systems. OUTLINE Informal and Formal Definition of the Model Structures, Constraints, Operations Relational Algebra Relational Calculus The languages SQL and QBE

By kerem
(222 views)

The Boundary Scan Test (BST) technology

The Boundary Scan Test (BST) technology

The Boundary Scan Test (BST) technology. J. M. Martins Ferreira FEUP / DEEC - Rua dos Bragas 4050-123 Porto - PORTUGAL Tel. 351-22-2041748 / Fax: 351-22-2003610 (jmf@fe.up.pt / http://www.fe.up.pt/~jmf). Objectives.

By barny
(155 views)

Dynamic Scheduling of Network Updates

Dynamic Scheduling of Network Updates

Dynamic Scheduling of Network Updates. Xin Jin Hongqiang Harry Liu , Rohan Gandhi, Srikanth Kandula , Ratul Mahajan , Ming Zhang, Jennifer Rexford, Roger Wattenhofer. SDN: Paradigm Shift in Networking. Controller. Many benefits Traffic engineering [B4, SWAN]

By herve
(137 views)

Efficient Incremental Validation of XML Documents

Efficient Incremental Validation of XML Documents

Efficient Incremental Validation of XML Documents. Denilson Barbosa Alberto O.Mendelson Leonid Libkin Laurent Mignet Marcelo Arenas. Presented by Daria Barger. Outline. Introduction Types of constraints Update operations Incremental validation Experiments

By laasya
(115 views)

LDAP on ACID Implementing LDAP Transactions in slapd (8)

LDAP on ACID Implementing LDAP Transactions in slapd (8)

LDAP on ACID Implementing LDAP Transactions in slapd (8). Kurt D. Zeilenga kurt@openldap.org. Title slide. Topics. LDAP and ACID Simple Extensions Assertion Control Read Entry Controls Modify/Increment Feature LDAP Mutually Exclusive (Update) Access LDAP (Simple) Transactions.

By nigel-berry
(147 views)

The Relational Model

The Relational Model

The Relational Model. Textbook Chapter 2. History. Earlier models: Hierarchical, Network complex to implement and program; efficient; widely used Relational: Introduced by Codd & Date (IBM), 1970 Semantically poor; tractable to analyze; initially inefficient

By kfleming
(0 views)

Distributed systems II Replication –Quorum Consensus

Distributed systems II Replication –Quorum Consensus

Prof Philippas Tsigas Distributed Computing and Systems Research Group. Distributed systems II Replication –Quorum Consensus. Replication for Highly available services: The gossip approach. we discuss the application of replication techniques to make services highly available.

By dorisj
(0 views)

Logical Clocks

Logical Clocks

Logical Clocks. Topics. Logical clocks Totally-Ordered Multicasting Vector timestamps. Readings. Van Steen and Tanenbaum: 5.2 Coulouris: 10.4 L. Lamport, “Time, Clocks and the Ordering of Events in Distributed Systems,” Communications of the ACM, Vol. 21, No. 7, July 1978, pp. 558-565.

By djosephine
(0 views)


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