w6_1_Network Applecations 2_Sp12

w6_1_Network Applecations 2_Sp12 - Network Applications 2...

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Network Applications 2 Agenda 1. Review; GP Phase 1 2. Network Applications: Web 2.0 3. E-Learning 4. Telecommuting, telework IE 332 2.13.12
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Review 1. Differences: Collaboration-Communication 2. Case study you read that has collaboration problems? 3. On-line collaboration portal? Examples? Advantages over local OLAP? 2
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Relational Database View all data in the form of tables (intuitive) Each column of a table represents an attribute of an entity Each row of a table represents an instance (or occurrence, record) Relationships between entities are identified by values stored in the columns of the corresponding tables Weakness: Most engineering is more than 2D 3
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All database designs define relations among data (E- R) but there are “non - relational” types of databases: Hierarchical Network Multidimensional Geographic Knowledge representation (e.g., semantic maps) CAD database Tiny footprint (e.g., mobile; field devices) Scientific Other Types of Databases 4
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5.2 Web 2.0 Web 2.0 = A loose collection of information technologies and applications, and the Web sites
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w6_1_Network Applecations 2_Sp12 - Network Applications 2...

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