How to Analyze Graph-Based Models - Www-st.inf.tu-dresden.de ...

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Motivation ► Software engineers must be able <strong>to</strong> ■ handle big design specifications (design models) during development ■ work with consistent models ■ measure models and implementations ■ validate models and implementations ► Real models and systems become very complex ► Most specifications are graph-based ■ We have <strong>to</strong> deal with basic graph theory <strong>to</strong> be able <strong>to</strong> measure well ► Every analysis method is very welcome ► Every structuring method is very welcome Prof. Uwe Aßmann, Softwaretechnologie II 6
The Problem: <strong>How</strong> <strong>to</strong> Master Large <strong>Models</strong> ► Large models have large graphs ► They can be hard <strong>to</strong> understand ► Figures taken from Goose Reengineering Tool, analysing a Java class system [Goose, FZI Karlsruhe] Prof. Uwe Aßmann, Softwaretechnologie II 7
Page 1 and 2: How to</st
Page 3 and 4: Obligatory Reading
Page 5: Goals ► Understand that software
Page 9 and 10: Partially Collapsed Prof. Uwe Aßma
Page 11 and 12: Requirements for Modelling in Requi
Page 13 and 14: Example: Rename Refacto</st
Page 15 and 16: Refactoring on Def
Page 17 and 18: Data-Flow Graphs
Page 19 and 20: Precise Call Graph
Page 21 and 22: Types of Graphs in
Page 23 and 24: Definitions ► Fan-in ■ In-degre
Page 25 and 26: Trees ► One source (root) ► Man
Page 27 and 28: Directed Graphs (D
Page 29 and 30: Reducible Graphs (
Page 31 and 32: Strength of Assertions in M
Page 33 and 34: Structuring Improves Worst Case Lis
Page 35 and 36: Methods and Tools for Analysis of <
Page 37 and 38: Graphs and Fact Da
Page 39 and 40: Queries on Graphs
Page 41 and 42: Layering of Systems ► To be compr
Page 43 and 44: Pattern and Rules ► Parenthood ca
Page 45 and 46: Same Generation ► Beyond sisters
Page 47 and 48: Same Generation Introduces Layers
Page 49 and 50: Searching Graphs -
Page 51 and 52: Same Generation Datalog Program isP
Page 53 and 54: Description Logic (DL) ► Is a spe
Page 55 and 56: Application Areas of Datalog, DL, O
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Answer Alternative category text Ex
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Example: Web Queries with Logic ►
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Who is Descendant of Whom? ► Some
Page 63 and 64:
Impact of Basic Rule GustavAdolf Ad
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[S|M][S|M]PP Path Problems: Variant
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Exercise: Railway Routes ► Base (
Page 69 and 70:
Central Theorem of Datalog/DL/EARS
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Applications of Graph</stro
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Generic Datalog Queries ► Transit
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Example 1: Consistency Checking for
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Second Idea ► Analyze</st
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Example 2: Consistency Checking of
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Second Idea ► Write queries that
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Example 3: UML Specifications in So
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Answer Alternative category text Ex
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Third Idea: Use Onto</stron
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The End Softwaretechnologie II, ©
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How to Analyze Graph-Based Models - Www-st.inf.tu-dresden.de ...

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