عنوان

Uncertainty Management in Information Systems :

1461378656

1461562457

9781461378655

9781461562450

b542135

Uncertainty Management in Information Systems :

[Book]

From Needs to Solutions

edited by Amihai Motro, Philippe Smets.

Boston, MA

Springer US : Imprint : Springer

1997

(480 pages)

1 Introduction --;1 Scope --;2 Structure --;2 Sources of Uncertainty, Imprecision, and Inconsistency in Information Systems --;1 Introduction --;2 Imperfect Descriptions: Classification --;3 Imperfect Descriptions: Solutions --;4 Imperfect Manipulation and Processing --;5 Challenges --;3 Imperfect Information in Relational Databases --;1 Introduction --;2 Possible Worlds --;3 Manipulating an Imperfect Database --;4 Existential Values --;5 Inexistent Values --;6 Open Databases and Null Values --;7 Combination of Null Values --;8 Universal Relation Databases and Null Values --;9 Null Values in Nested Relational Databases --;10 Maybe Tuples --;11 Disjunctive Databases --;12 Probabilistic Databases --;4 Uncertainty in Intelligent Databases --;1 Introduction --;2 Incompleteness --;3 Validity --;4 Conclusion --;5 Uncertain, Incomplete, and Inconsistent Data in Scientific and Statistical Databases --;1 Introduction --;2 Sources of Uncertainty --;3 Example Databases --;4 Database Error Controls --;5 Data Accuracy and Database Performance --;6 Missing Categorical Data --;7 Conclusions --;6 Knowledge Discovery and Acquisition from Imperfect Information --;1 Introduction --;2 Uncertainty Management --;3 Knowledge Discovery in Databases --;4 Knowledge Acquisition --;5 Sources of Imperfection in Discovered Patterns --;6 Summary --;7 Uncertainty In Information Retrieval Systems --;1 Introduction --;2 Background --;3 Principal Retrieval Models --;4 Current Trends in Information Retrieval --;5 Open Problems --;8 Imperfect Information: Imprecision and Uncertainty --;1 Imperfect Information --;2 Varieties of Imperfect Information --;3 Modeling --;4 Combining Models of Ignorance --;5 Conclusion --;Appendix A: A Structured Thesaurus of Imperfection --;Appendix B: Thesaurus on Uncertainty and Incompleteness --;Appendix C: Models for Uncertainty on Finite Frames --;9 Probabilistic and Bayesian Representations of Uncertainty in Information Systems: a Pragmatic Introduction --;1 Introduction and Overview --;2 Basic Issues in Bayesian Probability --;3 Probabilistic Representations of Alternative Types of Uncertainty --;4 Example Problems and Their Bayesian Solutions --;5 Representing Uncertainty in Large Databases --;6 Conclusions --;10 An Introduction to the Fuzzy Set and Possibility Theory-Based Treatment of Flexible Queries and Uncertain or Imprecise Databases --;1 Introduction --;2 Imperfect Information: Vocabulary --;3 Fuzzy Databases --;4 Flexible Queries --;5 Imperfect Data in a Database --;6 Integrity Constraints and Fuzzy Functional Dependencies --;7 Concluding Remarks --;11 Logical Handling of Inconsistent and Default Information --;1 Introduction --;2 Handling Inconsistent Information --;3 Handling Default Information --;4 Labeled Deductive Systems for Practical Reasoning --;5 Conclusions --;12 The Transferable Belief Model for Belief Representation --;1 Introduction --;2 The Transferable Belief Model --;3 The Mathematics of the TBM --;4 Applications to Databases --;5 Application with Sources Reliability --;6 Application for Diagnosis --;7 Conclusions --;13 Approximate Reasoning Systems: Handling Uncertainty and Imprecision in Information Systems --;1 Introduction --;2 Probabilistic Approaches --;3 Fuzzy Logic Based Approaches --;4 Conclusions --;14 On the Classification of Uncertainty Techniques in Relation to the Application Needs --;1 Introduction --;2 On the Classification of Uncertainty Techniques --;3 On Sources of Uncertainty --;4 Building Applications with Uncertainty Management --;5 Conclusions --;15 A Bibliography on Uncertainty Management in Information Systems --;1 Introduction --;2 Surveys --;3 Null Values --;4 Logic --;5 Fuzzy Set and Possibility Theory --;6 Probability Theory --;7 Query-level Uncertainty --;8 Schema-level Uncertainty --;9 Complexity Analyses --;10 Miscellaneous.

As its title suggests, "Uncertainty Management in Information Systems" is a book about how information systems can be made to manage information permeated with uncertainty.

Artificial intelligence.

Computer science.

Text processing (Computer science)

edited by Amihai Motro, Philippe Smets.

Amihai Motro

Philippe Smets

[Book]

Y