PPT-Semantic Networks and Frames

Semantic networks history Network notations are almost as old as logic Porphyry 3rd century AD treebased hierarchies to describe Aristotles categories Frege 1879 concept writing a tree notation for the first complete version of firstorder logic . Page 1 Artificial Intelligence I Matthew Huntbach Dept of Computer Science Queen Mary and Westfield College London UK E1 4NS Email mmhdcsqmwacuk Notes may be used with the permission of the author Notes on Semantic Nets and Frames Semantic Nets Bullinaria 2005 1 Components of a Semantic Network 2 ANDOR Trees 3 ISA and ISPART Hierarchies 4 Representing Events and Language 5 Intersection Search 6 Inheritance and Defaults 7 Tangled Hierarchies and Inferential Distance 8 The Relation betwe Introduction. Domain specific knowledg. e is needed to solve some problems.. Knowledge base – representation.. Inference techniques. Use to prove facts.. Use to answer queries. Knowledge Representation Schemes. Lecture . 3. : . Data . Link. - part II. Based on slides from D. . Choffnes. Northeastern U. . and P. . Gill. . from. . StonyBrook. University. Revised . Autumn. 2015 by . S. . . Laki. Data Link Layer. Aleksander. . Pivk. , . York . Sure, . Philipp . Cimiano. ,. Matjaz. . Gams. , . Vladislav. . Rajkovic. , . Rudi . Studer. Presented By Stephen Lynn. Information Extraction. Free-form Text. Linguistic/NLP approaches. in Lexical Typology:. Constructing a typological questionnaire. Daria . Ryzhova. School of Linguistics. NRU HSE. Outline. Lexical Typology: Frame-based Approach. Ideology. Typological questionnaire. Networks and Communication Department. 1. Outline. Networks and Communication Department. Define and give a brief history of artificial intelligence.. Describe how knowledge is represented in an intelligent agent. Movement led by W3C that promotes common formats for data on the web. Describes things in a way that computer applications can understand it. Describes the relationship between things and properties of things. . (CS . 370D. ). Princess Nora University. Faculty of Computer & Information Systems. . (Chapter-7). Logical Agents. Some General Representations. Logical Representations. Production Rules. Semantic Networks. (CS 461D). Dr. Abeer Mahmoud . Computer science Department . Princess Nora University. Faculty of Computer & Information Systems. (Chapter-7). Logical Agents. Some General Representations. Logical Representations. Paper by John McCormac, Ankur Handa, Andrew Davison, and Stefan Leutenegger Dyson Robotics Lab, Imperial College London. Presentation by Chris Conte. Hey robot, go fetch me a Twix from the snack bar. Introduction. Jeff Heflin. Lehigh University. The Semantic Web. “Semantic” “Web”. Semantic: "of or relating to meaning in language" (Def. Webster’s). Web: The World Wide Web. Official Definition. You-shan Chung and Keh-Jiann Chen Abstract In this project we have studied Chinese noun-noun compounds NNCs and have found that N1 and N2 are linked either by semantic roles assigned by events complex person. grass. trees. motorbike. road. Evaluation metric. Pixel classification!. Accuracy?. Heavily unbalanced. Common classes are over-emphasized. Intersection over Union. Average across classes and images.