a proof theory for description logics springerbriefs in computer science

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A Proof Theory For Description Logics

Author : Alexandre Rademaker
ISBN : 9781447140023
Genre : Mathematics
File Size : 87. 38 MB
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Description Logics (DLs) is a family of formalisms used to represent knowledge of a domain. They are equipped with a formal logic-based semantics. Knowledge representation systems based on description logics provide various inference capabilities that deduce implicit knowledge from the explicitly represented knowledge. A Proof Theory for Description Logics introduces Sequent Calculi and Natural Deduction for some DLs (ALC, ALCQ). Cut-elimination and Normalization are proved for the calculi. The author argues that such systems can improve the extraction of computational content from DLs proofs for explanation purposes.

Model And Proof Theory Of Constructive Alc

Author : Stephan Scheele
ISBN : 9783863093204
Genre :
File Size : 44. 9 MB
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Belief Revision In Non Classical Logics

Author : Márcio Moretto Ribeiro
ISBN : 9781447141860
Genre : Computers
File Size : 69. 35 MB
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Since the advent of the Semantic Web, interest in the dynamics of ontologies (ontology evolution) has grown significantly. Belief revision presents a good theoretical framework for dealing with this problem; however, classical belief revision is not well suited for logics such as Description Logics. Belief Revision in Non-Classical Logics presents a framework which can be applied to a wide class of logics that include – besides most Description Logics such as the ones behind OWL – Horn Logic and Intuitionistic logic, amongst others. The author also presents algorithms for the most important constructions in belief bases. Researchers and practitioners in theoretical computing will find this an invaluable resource.

Concise Computer Mathematics

Author : Ovidiu Bagdasar
ISBN : 9783319017518
Genre : Computers
File Size : 52. 71 MB
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Adapted from a modular undergraduate course on computational mathematics, Concise Computer Mathematics delivers an easily accessible, self-contained introduction to the basic notions of mathematics necessary for a computer science degree. The text reflects the need to quickly introduce students from a variety of educational backgrounds to a number of essential mathematical concepts. The material is divided into four units: discrete mathematics (sets, relations, functions), logic (Boolean types, truth tables, proofs), linear algebra (vectors, matrices and graphics), and special topics (graph theory, number theory, basic elements of calculus). The chapters contain a brief theoretical presentation of the topic, followed by a selection of problems (which are direct applications of the theory) and additional supplementary problems (which may require a bit more work). Each chapter ends with answers or worked solutions for all of the problems.

Leveraging Applications Of Formal Methods Verification And Validation Modeling

Author : Tiziana Margaria
ISBN : 9783030034184
Genre : Computers
File Size : 82. 33 MB
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The four-volume set LNCS 11244, 11245, 11246, and 11247 constitutes the refereed proceedings of the 8th International Symposium on Leveraging Applications of Formal Methods, Verification and Validation, ISoLA 2018, held in Limassol, Cyprus, in October/November 2018. The papers presented were carefully reviewed and selected for inclusion in the proceedings. Each volume focusses on an individual topic with topical section headings within the volume: Part I, Modeling: Towards a unified view of modeling and programming; X-by-construction, STRESS 2018. Part II, Verification: A broader view on verification: from static to runtime and back; evaluating tools for software verification; statistical model checking; RERS 2018; doctoral symposium. Part III, Distributed Systems: rigorous engineering of collective adaptive systems; verification and validation of distributed systems; and cyber-physical systems engineering. Part IV, Industrial Practice: runtime verification from the theory to the industry practice; formal methods in industrial practice - bridging the gap; reliable smart contracts: state-of-the-art, applications, challenges and future directions; and industrial day.

Computational Complexity Of Solving Equation Systems

Author : Przemysław Broniek
ISBN : 9783319217505
Genre : Computers
File Size : 35. 23 MB
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This volume considers the computational complexity of determining whether a system of equations over a fixed algebra A has a solution. It examines in detail the two problems this leads to: SysTermSat(A) and SysPolSat(A), in which equations are built out of terms or polynomials, respectively. The book characterizes those algebras for which SysPolSat can be solved in a polynomial time. So far, studies and their outcomes have not covered algebras that generate a variety admitting type 1 in the sense of Tame Congruence Theory. Since unary algebras admit only type 1, this book focuses on these algebras to tackle the main problem. It discusses several aspects of unary algebras and proves that the Constraint Satisfaction Problem for relational structures is polynomially equivalent to SysTermSat over unary algebras. The book’s final chapters discuss partial characterizations, present conclusions, and describe the problems that are still open.

Concise Hydrology

Author : Dawei Han
ISBN : 1489572198
Genre : Science
File Size : 59. 24 MB
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Concise hydrology: The Arab World as a Model By Dawei Han, Edited and translated by Ayman A. Ahmed Full description in English and Arabic languages: Please access the following links for full book contents: Contents http://concisehydrology.blogspot.com/2013/07/httpwww.html https://www.facebook.com/notes/dr-ayman-ahmed/concise-hydrology-the-arab-world-as-a-model/10200539078773544/ Brief book description Hydrology is a branch of scientific and engineering discipline that deals with the occurrence, distribution, movement, and properties of the waters of the earth. A knowledge of hydrology is fundamental to water and environmental professionals (engineers, scientists and decision makers) in such tasks as the design and operation of water resources, wastewater treatment, irrigation, flood defense, navigation, pollution control, hydropower, ecosystem modelling, etc. The book covers the fundamental theories on hydrological cycle (water balance, atmospheric water, subsurface water, surface water), precipitation analysis, evaporation and evapotranspiration processes, infiltration, ground water movement, hydrograph analysis, rainfall runoff modelling (unit hydrograph), hydrological flow routing, measurements and data collection, hydrological statistics and hydrological design. The text has been written in a concise format that is integrated with the relevant graphics. There are many examples to further explain the theories introduced. The questions at the end of each chapter are accompanied by the corresponding answers and full solutions. The book is a translation version into Arabic language with examples illustrations from the Arab world to be suitable for the Arab readers. An English-Arabic dictionary for the scientific terms used in the book is also provided at the end of the book. Now the price is $18 instead of $36 (50% discount through January 2014)

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