For example, if you want a 4 piece puzzle slide, you can search for the word ‘puzzles’ and then select 4 ‘Stages’ here. Completeness is important for the usability of description logics in real applications. ’Stages’ here means the number of divisions or graphic elements in the slide. We build a completion tree (or tableau branch) T, a tree labelled with sets of subformulas of ˚(this is the description logic style of tableau). Time: Tuesday and Thursday, 3:30 - 4:50 PM Location: THH 114 Course Description. We introduce description logic rules (DL rules) as a new rule-based formalism for knowledge representation in DLs. Instructors: Jim Blythe, Jose-Luis Ambite, and Yolanda Gil. All About Fuzzy Description Logics) Lecture at Reasoning Web 2015 Umberto Straccia. https://www.slideshare.net/balamuruganmsc/description-logic If predicate logic is directly used without some kind of restr iction, then • the str ucture of the knowledge/infor mation is lost (no var iables, concepts as classes, and roles as proper ties), • the expressive power is too high for having good … Syntax of DLALC. Combine DL with rules for reasoning, e.g. Introduction Syntax of Description Logics. the legal world descriptions Œ i.e., all the (nite) relational structures which conform to the constraints imposed by the ontology. Joint Conf. In contrast to SWRL, however, the combination of DL rules with expressive description logics remains decidable, and we show that the DL SROIQ – the basis … The:someoperator guarantees that there will be at least one value for the : De nite Descriptions in Di erential Dynamic Logic Brandon Bohrer, Manuel Fern andez, and Andr e Platzer Logical Systems Lab Computer Science Department Carnegie Mellon University CADE-27 August 29 … But constraint-based approaches have not been considered so … Stages ? Frame Systems: frames used to represent prototypical situations, antecedents of object-oriented formalisms. Rules are taken from logic programming in the broad sense. Slides (PPT) Ian Horrocks: "Applications of Description Logics: State of the Art and Research Challenges". Description: UNIT-8 LOGIC GATES Logic Gates Types of Gates: 1) OR Gate 2) AND Gate 3) NOT Gate 4) NAND Gate 5) NOR Gate 6) EX-OR Gate 7) EX-NOR Gate OR GATE OR gate performs ... – PowerPoint PPT presentation. 14 신승우, 오주민, 노형종, 이연수 Adopting Description Logics to NLP: Towards the Formal Semantics of the Natural Language Description Logics and Reasoning Reasoning techniques Implementing DL systems Axioms and Rules Research Challenges Summary Dagstuhl “Rule Markup Techniques”, 7th Feb 2002 – p.2/51. A description logic with transitive and inverse roles and role hierarchies. (Description of audio.) Slides: 18; Download presentation. In Proc. Description Logic • Axioms form sentences •A DL Knowledge Base consists of • Tbox: Set of terminological axioms Îstate general domain knowledge here • Abox: Set of assertional axioms Îstate knowledge about particular situation here • ( Rulebox ) John:Human (John, Emily) : hasChild i: C (i,j): R Assertional Axioms Father ⊆Person Slides (PPT) Ian Horrocks: "Applications of Description Logics: State of the Art and Research Challenges". It is a way to restrict the value of a slot at a frame. (3) All men are mortal. Lecture 3: Description Logics II Daria Stepanova slides based on Reasoning Web 2011 tutorial \Foundations of Description Logics and OWL" by S. Rudolph Max Planck Institute for Informatics D5: Databases and Information Systems group WS 2017/18 1/34. I 06/01/2020: Introduction to temporal logics for multi-agent systems. Number of Views: 1881. C. Stiller Karlsruhe, Germany An EL+ ontology or TBox is a finite set of general Institut für Mess- und Regelungstechnik Prof. Dr.-Ing. Slides (PPT) Ian Horrocks: "Description Logic Reasoning". Using OWL and Description Logics Based Classification for Reasoning in Biomedical Applications Daniel L. Rubin Olivier Dameron Mark A. Musen Stanford Medical Informatics Stanford University Motivation The Virtual Soldier Project Computer-based in-silico model of human anatomy/physiology Deliver just-in-time decision support to field Content of the following slides is described in the surrounding text. The Semantic Web and DAML+OIL Dagstuhl “Rule Markup Techniques”, 7th Feb 2002 – p.3/51. The DL description logic (i.e., DL without the composition operator) and L 2 are equally expressive. Invited talk at ICCS, Kassel, Germany, July 2005. The Description Logic EL. - Title: Combinational Logic Subject: Combinational Logic Basics Author: Randy H. Katz Last modified by: Randy Katz User Created Date: 3/21/1997 11:31:29 AM | PowerPoint PPT presentation | free to view Ian Horrocks and Ulrike Sattler. OWL Description Logic (DL) Goal: maximal subset of OWL Full against which current research can assure that a decidable reasoning procedure is realizable Goal: maximal subset of OWL Full against which current research can Valeria de Paiva, Edward Hermann Hausler , Alexandre Rademaker (Curl Inc. - USA Departamento de Informatica - PUC-Rio - Brasil EPGE - FGV - Brasil )Constructive Description Logic, … Jarrar © 2013 8 Description Logics Most known description logics are : A more practical and expressive description logic. I 16/12/2019: Tableaux calculi and complexity. An Introduction to Description Logics What Are Description. Stages ? SWRL, OWL-DL. Such algorithms are efcient for both average and real knowledge bases, even if the problem in the corresponding logic is in PSPACE or EXPTIME. D. Markovic / Slide 2EEM216A . I 13/01/2020: 14h00–16h00 Exam on this part of the course (slides allowed). A tableau calculus for modal logic Given: a formula ˚of modal logic, that we want to check whether is satis able. Description Logics and Reasoning Reasoning techniques Implementing DL systems Axioms and Rules Research Challenges Summary Dagstuhl “Rule Markup Techniques”, 7th Feb 2002 – p.2/51. Why Description Logics? check whether a belongs to C. A ⊨C(a)A ⊨R(a,b) NOTE: this means that before answering we need to expand the ABox Slides (PPT) Ian Horrocks: "Ontology Reasoning: the Why and the How". Initialisation: A single node x 0 with label L T(x 0) = f˚g. Logic RTL ISA uArch Gate Architecture 17 Synthesis Tools Logic Synthesis: generate a circuit netlist from design descriptions in VHDL or Verilog • Logic Synthesis Tools: Cadence, Synopsys (includes Magma now ), Mentor Graphics, etc. We have categorized all our content according to the number of ‘Stages’ to make it easier for you to refine the results. Invited tutorial at LPAR, Montevideo, Uruguay, March 2005. the basic description logic ALCis just a syntactic variant of the multi-modal logic K m. As a consequence of this, there is also a close relationship of DLs to the Guarded Fragment [Andr eka et al., 1998], a very expressive fragment of FOL which is still decidable. Description Logics - Michaela Regneri & Magdalena Wolska Description Logic •A decidable fragment of FOL •efficient reasoners (RACER) exist •some big knowledge bases are already encoded in description logics (like OWL e.g.) First-Order Logic Daniel Weld CSE 473 Spring 2012 Overview Introduction & Agents Search, Heuristics & CSPs Adversarial Search Logggpical Knowledge Representation Planning & MDPs Reinforcement Learning Uncertainty & Bayesian Networks Machine Learning NLP & Special Topics Propositional. Temporal Logics for Multi-Agent Aystems I Today: Introduction to description logics. ABox Service Description Query Instance retrieval Given a concept C, retrieve all the instances a which satisfy C w.r.t. The logic underlying OWL. Rooted in early AI approaches, Description Logics (DLs) have developed into one of the main knowledge representation formalisms. For example, if you want a 4 piece puzzle slide, you can search for the word ‘puzzles’ and then select 4 ‘Stages’ here. Lecture giving an overview of the course and history of AI. • The final phase is … Abstract. Description Logic for Vision-Based Intersection Understanding Britta Hummel, Werner Thiemann, Irina Lulcheva. Marginal and conditional distributions (from Khan Academy). Logic Model Slides ; Access the recording of the Logic Model presentation held on October 23, 2014 here. An Introduction to Description Logics . The basic constructors of this kind are qualified number restrictions, unqualified number restrictions, functional number restrictions, nominal, concrete domain. 01. Fall 2011 Alireza Tarighat (ee216a@gmail.com) • Slides are Courtesy of Prof. Dejan Marković. OWL. Combining Description Logic, Autoepistemic Logic and Logic Programming Peter Baumgartner Max-Planck-Institute for Computer Science, Saarbrücken Peter Baumgarter - Combining DL, AEL and LP . CS 541: Artificial Intelligence Planning. Types of Logic Gates! The description logic can express the uniqueness of a model for a relational theory. Resolution-Based Uniform Interpolation and Forgetting for Expressive Description Logics Introduction Motivation Applications of UI Further applications: Multi-agent systems Con ict resolution Abduction (see later talk) Similar applications in modal logics Most techniques presented here also apply to modal logics Description Logics parallel the four approaches: The C 3 fragment can be easily translated into relational algebra. man. Logic Gates - CONCLUSION Thus, we get knowledge about the logic circuit made by GATE. LOGIC GATES Objectives: Students will get information about Logic gates. | PowerPoint PPT presentation | free to view Combinational Logic (mostly review!) Semantics of Description LogicsDL NomenclatureEquivalences Slides: 23; Download presentation. 2021. approaches, Description Logics (DLs) have developed into one of the main knowledge representation formalisms. of the 19th Int. Avg rating:3.0/5.0. Logic Models: This course introduces the key components of a logic model and discusses how logic models can be used to support daily program operations and evaluation planning. • This is called Boolean logic • In a circuit schematic each logic gate is represented by a different picture, like the ones shown below. Reasoning and Querying in DLs 1. https://www.slideshare.net/jarrar02/jarrarlecturenotesdescriptionlogic Continuous optimization, objective functions, Gradient Descent (from Fall 2020) An overview of machine learning. Propositional and First-order Logic. Planning is a key ability for intelligent systems, increasing their autonomy and flexibility through the construction of sequences of actions to achieve their goals. Motivation Ontologies,Data,andDescriptionLogics Inthistutorial,wefocusonontologiesexpressedin DescriptionLogics(DLs) (2) Socrates is a man. This logic function is very useful when building circuitry for arithmetic or parity calculations. As you’ll see in Lab 2, implementing a 2-input XOR gate will take many more NFETs and PFETs than required for a 2-input NAND or NOR. In a description logic, there are sentences that will be true or false (as in FOL). C, D A | ⊤ | ⊥|¬A | C ⊓ D | R.C | R.⊤ ALC Very expressive description logic, Capable of representing most database constructs.DLRidf Very popular description logic. A ⊨C Instance checking Check whether an assertion C(a) is entailed by the ABox, i.e. Slides: 17; Download presentation. Invited tutorial at LPAR, Montevideo, Uruguay, March 2005. Description Logics Tutorial, ECAI-2002, Lyon, France, July 23rd, 2002. Description Logics: Overview • Action taxonomies in CLASP – extended language to represent action networks • Plan taxonomies in SUDO-PLANNER – plan subsumption of partially ordered plans • Goal taxonomies in EXPECT – expressive representations of goals and their parameters These systems can exploit the descriptions of all the EL+ concept descriptions are formed using the three constructors shown in the upper part of Table 1. Tags: benchmarking, connection method, description logic, optimizations and reasoning Abstract: DL reasoners were developed with cutting-edge performance, implementing plenty of specific optimization techniques over tableaux based methods, which took over the field for years. :. Description Logics and Ontologies. In addition to the Booleans, and existential and universal restriction constructors, DLs typically provide concept constructors that form complex concepts. MotivationIntroduction Description LogicsThe Description Logic ALC Extensions of ALC OWL and Description Logics Acknowledgment These slides are based on the Latex version of slides by Markus Krotzsch of TU Dresden¨ W. Nutt Semantic Technologies 2014/2015 (1/47) We have categorized all our content according to the number of ‘Stages’ to make it easier for you to refine the results. In a description logic, there are sentences that will be true or false (as in FOL). Combining Description Logic, Autoepistemic Logic and Logic Programming Peter Baumgartner Max-Planck-Institute for Computer Science, Saarbrücken Peter Baumgarter - Combining DL, AEL and LP . You may view the first portion for free. UNIT-8 LOGIC GATES Logic Gates Types of Gates: 1) OR Gate 2) AND Gate 3) NOT Gate 4) NAND Gate 5) NOR Gate 6) EX-OR Gate 7) EX-NOR Gate OR GATE OR gate performs ... – PowerPoint PPT presentation EL concept descriptions built from nite sets: N C:= fHead injury;Severeg N R:= fstatusg using concept constructors: >, u, 9r:C Head injury u9status:Severe Semantics Aninterpretation Iis a pair (4I, :I) that assigns: subsets CIof 4Ito concept names C and, binary relations rIon 4Ito role names r. The:someoperator guarantees that there will be at least one value for the ’Stages’ here means the number of divisions or graphic elements in the slide. • Major logic gates: NOT, AND, OR, and XOR • There are also other ones, such as NAND, NOR, and XNOR that we’re not going to cover. Axioms:a ::= Cv j . Description Logic (DL) as logical knowledge representation language for ontologies, e.g. Description Logic Reasoning Ian Horrocks University of Manchester, UK Combining Syntax and Semantics. As a fragment of the Semantic Web Rule Language SWRL, DL rules allow for a tight integration with DL knowledge bases. Modules. The maturity of the eld is also re ected by the adoption of description logics as prior speci cation paradigm for ontological descriptions { culminating in the standardization of the OWL web ontology language by the World Wide In addition, there are three sorts of expressions that act like nouns and noun phrases in English: • concepts are like category nouns Dog, Teenager, GraduateStudent Probability, joint, marginal independence (from Khan Academy). Slides (PPT) Ian Horrocks: "Description Logic Reasoning". on Artificial Intelligence (IJCAI 2005), 2005. In addition, there are three sorts of expressions that act like nouns and noun phrases in English: • concepts are like category nouns Dog, Teenager, GraduateStudent The Semantic Web and DAML+OIL Dagstuhl “Rule Markup Techniques”, 7th Feb 2002 – p.3/51. MotivationIntroduction Description LogicsThe Description Logic ALC Extensions of ALC OWL and Description Logics Acknowledgment These slides are based on the Latex version of slides by Markus Krotzsch of TU Dresden¨ W. Nutt Semantic Technologies 2014/2015 (1/47) • Modern DLs (after Baader et al) distinguished by: – Fully fledged logics with formal semantics • Decidable fragments of FOL (often contained in C 2) • Closely related to Propositional Modal/Dynamic Logics & Guarded Fragment – Computational properties well understood (worst case complexity) •We won‘t look at a special DL now, but introduce some elements they all have in common 6 A review of linear regression. Logic. What Are Description Logics? Quantier s The:allconstruct provides a concept restriction on the values of an attribute (xis an (:all R C)if and only if each Rof xis a C.Thus, (:all CHILD Doctor)corresponds to the concept of something all of whose children are doctors. 1 Hardware Description Language (HDL) and Logic Synthesis EE M216A .:. Slides (PPT) Ian Horrocks: "Ontology Reasoning: the Why and the How". 2 The Description Logic EL+ In DLs, concept descriptions are inductively defined with the help of a set of constructors, starting with a set NC of concept names and a set NR of role names. Well-established formalism for specifying terminological knowledge in Ontologies Used for many large-scale ontologies With increasing complexity of the ontology, understanding entailments becomes both crucial and di˚cult One typical reasoning task isclassi˝cation –compute all … In order to formally dene the interpretation, an ontology is mapped into a set of First Order Logic (FOL) formulas. Review of combinational and sequential logic design Modeling and verification with hardware description languages Introduction to synthesis with HDLs Programmable logic devices State machines, datapath controllers, RISC CPU Architectures and algorithms for computation and signal processing The legal world descriptions … Additional Resources: