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IS 4420 Database Fundamentals Chapter 5: Logical Database Design and the Relational Model Leon Chen

IS 4420 Database Fundamentals Chapter 5: Logical Database Design and the Relational Model Leon Chen

IS 4420 Database Fundamentals Chapter 5: Logical Database Design and the Relational Model Leon Chen. Systems Development Life Cycle . Database Development Process . Enterprise modeling. Project Identification and Selection. Conceptual data modeling. Project Initiation and Planning.

By perry
(577 views)

Linking Named Entities in Tweets with Knowledge Base via User Interest Modeling

Linking Named Entities in Tweets with Knowledge Base via User Interest Modeling

Linking Named Entities in Tweets with Knowledge Base via User Interest Modeling. KDD’13. Task. The task: is to link the named entity mentions detected from tweets with the corresponding real world entities in the knowledge Application : personalized recommendation , user interest discovery.

By ianna
(203 views)


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Entities

Entities

Entities. Things about which you need to store data. One entity for each different thing. At least two attributes At least two occurrences Not a property of some other entity Not a derived quantity (like a report). Finding Entities. List things described in a business narrative

By wlangley (0 views)

Entities

Entities

Entities. Entities are the people, places, things, or events that are of interest for a system that we are planning to build. Some samples of entities are: People: student, customer, employee, etc. Places: resort, city, country, etc.

By mathewsl (0 views)

Entities

Entities

Entities. Entities are the people, places, things, or events that are of interest for a system that we are planning to build. Some samples of entities are: People: student, customer, employee, etc. Places: resort, city, country, etc.

By garrison-powers (134 views)

Associative Entities

Associative Entities

Associative Entities. A relationship cannot have attributes What happens when one or more attributes exist for a relationship? Employee – Project – Billing Rate. Associative Entities.

By lali (228 views)

Curve Entities

Curve Entities

Analytic. Points, lines, arcs, fillets, chamfers, and conics (ellipses, parabolas, and hyperbolas). Synthetic. Includes various types of spline; Cubic spline, B-spline and Bezier curve. Curve Entities. All CAD/CAM systems provide users with curve entities.

By sevilen (200 views)

Governmental Entities

Governmental Entities

Governmental Entities. In addition to the general fund (discussed in Chapter 17) governments have a number of other funds. This chapter presents the accounting and financial reporting requirements for: The four remaining governmental funds. The two proprietary funds. The fiduciary funds.

By annice (225 views)

Identifying Entities

Identifying Entities

Identifying Entities. Houston we have a problem!. Database design left very late in the process Not less important than other aspects New module and time not on our side Typically where it always gets landed in the process! It makes sense to work through each layer in turn

By candiceanderson (0 views)

selecting entities

selecting entities

selecting entities. Data Modelling . Objectives At the end of this chapter you should be able to: Discuss the use and features of a data model Define the terms entity and attribute and reference them to corresponding terms in table design

By haile (75 views)

Exempt Entities

Exempt Entities

2. Requirements for Exempt Status (slide 1 of 3). Serve the common good\"Group served may be broadly defined (general public) or narrowly defined (credit union members)Not a for-profit entity. 3. Requirements for Exempt Status (slide 2 of 3). Net earnings of the entity do not benefit members of

By donny (202 views)