'Set union' diaporamas de présentation

Modelling unordered collections

Modelling unordered collections. Peter Gorm Larsen. Agenda. Set Characteristics and Primitives The Minimum Safety Altitude Warning System The Robot Controller. Set Characteristics. Sets are unordered collections of elements There is only one copy of each element

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CS411 Database Systems

CS411 Database Systems. 05: Relational Algebra ? ? ? ? ? ? ? = ? ? ? ? ? ??. How do we query (specify what info we want from) the database?. Find all the employees who earn more than $50,000 and pay taxes in Champaign-Urbana . Could write in C++/Java, but who would want to?

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Chapter 1. Fundamentals

Chapter 1. Fundamentals. Weiqi Luo ( ??? ) School of Software Sun Yat-Sen University Email ? weiqi.luo@yahoo.com Office ? A309. Textbook: B. Kolman, R.C. Busby & S.C. Ross, Discrete Mathematical Structures (Sixth Edition), Higher Education Press, 2010.11. References:

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Set Theory

Set Theory. Dr. Ahmed Elmoasry. Contents. Ch I: Experiments, Models, and Probabilities. Ch II: Discrete Random Variables Ch III: Discrete Random Variables. Ch I: Experiments, Models, and Probabilities. Set Theory Applying set theory to probability Probability Axioms

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Foundations of Data-Flow Analysis

Foundations of Data-Flow Analysis. Basic Questions. Under what circumstances is the iterative algorithm used in the data-flow analysis correct ? How precise is the solution obtained by the iterative algorithm? Will the iterative algorithm converge ?

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Lecture 22

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Lecture 22

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Pregelix: Think Like a Vertex, Scale Like Spandex

Pregelix: Think Like a Vertex, Scale Like Spandex. Yingyi Bu (UC Irvine) Work with: Vinayak Borkar (UC Irvine) , Michael J. Carey (UC Irvine), Tyson Condie (Microsoft & UCLA). Outline. Introduction Programming Model Example Applications System Internals Experimental Results

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Owned Policies for Information Security

Owned Policies for Information Security. Hubie Chen Stephen Chong Cornell University. Owned Policies. Information often has owners Owners may want system to enforce a policy that restricts use of info ) owned policy. Access control. Principals.

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Lecture 3

Lecture 3. Topics Languages Language classes Closure properties. In class reading assignment. Read Section 1.5 (pages 27-30) and answer the following questions What is a language? What is L ? What is {aa,bb}{cc,dd}? What is {aa,bb} 2 ? What are the five shortest strings in {aa,bb} * ?

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Privacy-Preserving Computation

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Relational Algebra

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Sets Part III

Warning : All the Venn Diagram construction and pictures will be done during class and are not included in this presentation. If you missed class you should get class notes from another student. Sets Part III. Venn Diagrams.

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