Ontology modeling - PowerPoint PPT Presentation


Overview of Army Modeling and Simulation Office

The U.S. Army Modeling and Simulation Office (AMSO) serves as the lead activity in developing strategy and policy for the Army Modeling and Simulation Enterprise. It focuses on effective governance, resource management, coordination across various community areas, and training the Army Analysis, Mod

1 views • 8 slides


Capacity Zone Modeling for Forward Capacity Auction 17 Results

This presentation unveils the Capacity Zone modeling calculations for Forward Capacity Auction 17 associated with the 2026-2027 Capacity Commitment Period by ISO-NE PUBLIC. It delves into boundary definitions, import-constrained zone modeling, and market rules guiding the assessments and modeling pr

0 views • 16 slides



Distribution Feeder Modeling and Analysis Overview

This document delves into the modeling, optimization, and simulation of power distribution systems, specifically focusing on Distribution Feeder Modeling and Analysis. It covers the components of a typical distribution feeder, series components, Wye-Connected Voltage Regulator modeling, and equation

0 views • 14 slides


Understanding Data Modeling vs Object Modeling

Data modeling involves exploring data-oriented structures, identifying entity types, and assigning attributes similar to class modeling in object-oriented development. Object models should not be solely based on existing data schemas due to impedance mismatches between object and relational paradigm

0 views • 17 slides


Evolution of Modeling Methodologies in Telecommunication Standards

Workshop on joint efforts between IEEE 802 and ITU-T Study Group 15 focused on information modeling, data modeling, and system control in the realm of transport systems and equipment. The mandate covers technology architecture, function management, and modeling methodologies like UML to YANG generat

0 views • 16 slides


Understanding Geometric Modeling in CAD

Geometric modeling in computer-aided design (CAD) is crucially done in three key ways: wireframe modeling, surface modeling, and solid modeling. Wireframe modeling represents objects by their edges, whereas surface modeling uses surfaces, vertices, and edges to construct components like a box. Each

1 views • 37 slides


Understanding Knowledge Structure: Modeling Ephraim Chambers' Approach

Explore the significance of Chambers' Cyclopaedia published in 1728, focusing on its taxonomic tree structure and domain vocabulary. Learn about naive vs. informed modeling, the role of a Thesaurus/Ontology in expressing hierarchy, and the implications of talk exchanges in understanding knowledge st

0 views • 10 slides


Mathematical Modeling and Error Analysis in Engineering

Mathematical modeling plays a crucial role in solving engineering problems efficiently. Numerical methods are powerful tools essential for problem-solving and learning. This chapter explores the importance of studying numerical methods, the concept of mathematical modeling, and the evaluation proces

0 views • 10 slides


Introduction to Dynamic Structural Equation Modeling for Intensive Longitudinal Data

Dynamic Structural Equation Modeling (DSEM) is a powerful analytical tool used to analyze intensive longitudinal data, combining multilevel modeling, time series modeling, structural equation modeling, and time-varying effects modeling. By modeling correlations and changes over time at both individu

0 views • 22 slides


Semantic Analysis of Clinical Narratives Using Complex Knowledge Graphs

Need for improved semantic analysis of clinical narratives for information retrieval and decision support is addressed through the use of complex knowledge graphs. These graphs capture axiomatic descriptions of generalizable truths about entities in the medical domain, providing a language-independe

0 views • 8 slides


Understanding Object Modeling in Software Development

Object modeling is a crucial concept in software development, capturing the static structure of a system by depicting objects, their relationships, attributes, and operations. This modeling method aids in demonstrating systems to stakeholders and promotes a deeper understanding of real-world entitie

1 views • 65 slides


Coupled Ocean-Atmosphere Modeling on Icosahedral Grids

Coupled ocean-atmosphere modeling on horizontally icosahedral and vertically hybrid-isentropic/isopycnic grids is a cutting-edge approach to modeling climate variability. The design goals aim to achieve a global domain with no grid mismatch at the ocean-atmosphere interface, with key indicators such

1 views • 21 slides


WEB-SOBA: Ontology Building for Aspect-Based Sentiment Classification

This study introduces WEB-SOBA, a method for semi-automatically building ontologies using word embeddings for aspect-based sentiment analysis. With the growing importance of online reviews, the focus is on sentiment mining to extract insights from consumer feedback. The motivation behind the researc

2 views • 35 slides


Fire and Smoke Modeling Evaluation Effort (FASMEE) Overview

FASMEE is a collaborative project aimed at assessing and advancing fire and smoke modeling systems through critical measurement techniques and observational data. Led by key technical leads, FASMEE focuses on diverse modeling areas such as fire growth, effects, coupled fire-atmosphere behavior, smok

4 views • 30 slides


Understanding Relational Ontology and Knowledge Production in Sociology

This academic exploration delves into the concept of relational ontology and its methodological implications in knowledge production, focusing on the ownership of ideas and the role of intellectuals as knowledge producers. It discusses the foundational singularity, the generative significance of con

0 views • 12 slides


Subarea and Highway Corridor Studies: Travel Demand Modeling and Refinements

In this lesson, we delve into subarea and corridor studies focusing on travel demand model refinements, highway network coding, corridor congestion relief, and trip assignment theory. Subarea modeling plays a crucial role in forecasting travel within smaller regions with detailed traffic patterns, t

1 views • 45 slides


Semi-Automatic Ontology Building for Aspect-Based Sentiment Classification

Growing importance of online reviews highlights the need for automation in sentiment mining. Aspect-Based Sentiment Analysis (ABSA) focuses on detecting sentiments expressed in product reviews, with a specific emphasis on sentence-level analysis. The proposed approach, Deep Contextual Word Embedding

0 views • 34 slides


Essential Steps for Setting up a Modeling Study

Ensure clarity on modeling goals and uncertainties. Select sample areas strategically based on interest and available data. Determine appropriate resolution for modeling. Define variables to model and validate the model effectively. Assess sample data adequacy and predictor variables availability. E

0 views • 9 slides


CCSDS System Architecture WG Restart Summary

System Architecture Working Group (SAWG) is restarting to refresh the CCSDS Reference Architecture for CMC. The motivation stems from the need to update the outdated RASDS and align it with evolving standards and projects. The plan includes incorporating operational, physical, and service viewpoints

0 views • 9 slides


Framework for Ontology Learning from Big Data with IDRA

IDRA (Inductive Deductive Reasoning Architecture) presents a comprehensive framework for ontology learning, focusing on data modeling and architecture components. ETL (Extract Transform Load) processes play a vital role in semantic enhancement of data, especially in identity and access governance co

0 views • 25 slides


Water Storage Tanks Hydraulic Modeling and Water Quality Considerations

This presentation by Justine Carroll, P.E., Project Manager, focuses on the hydraulic modeling and water quality considerations related to water storage tanks. It covers topics such as water age evaluation, steady state modeling, extended period simulations, pump controls, demand patterns, EPS verif

0 views • 34 slides


Advancing Computational Modeling for National Security and Climate Missions

Irina Tezaur leads the Quantitative Modeling & Analysis Department, focusing on computational modeling and simulation of complex multi-scale, multi-physics problems. Her work benefits DOE nuclear weapons, national security, and climate missions. By employing innovative techniques like model order re

0 views • 6 slides


Importance of Ontology in System Development for DoT

Ontology plays a crucial role in the development of systems for DoT by facilitating the automation of tasks, improving consistency, and enhancing the efficiency of tool chains. It enables the transformation of semantic descriptions into algorithms, streamlining processes and reducing the need for ma

0 views • 7 slides


Challenges and Opportunities in Ontology Engineering Tools

Prof. Enrico Motta discusses the limitations of current ontology engineering tools, emphasizing the need for better support for creating ontological specifications. The lack of tools that offer a knowledge-level perspective and assist in sensemaking, navigation, and identifying relevant definitions

0 views • 5 slides


Using Word Embeddings for Ontology-Driven Aspect-Based Sentiment Analysis

Motivated by the increasing number of online product reviews, this research explores automation in sentiment mining through Aspect-Based Sentiment Analysis (ABSA). The focus is on sentiment detection for aspects at the review level, using a hybrid approach that combines ontology-based reasoning and

0 views • 26 slides


BabyDayOut Ontology: Describing Picture with Classes, Instances, and Relations

Ontology "BabyDayOut" is developed using RDF/RDFS to describe a picture. It includes classes such as Person, Animal, Baby, Picture, Man, and Gorilla with instances like John, KingKong, Jack, Peter, and Alex. Various relations like hasFriend, hasAnimalFriend, sonOf, depicts, hasEnemy, and hasTitle ar

0 views • 9 slides


SASOBUS: Semi-Automatic Sentiment Domain Ontology Building Using Synsets

Building on the need for automation due to the increasing volume and significance of online reviews, SASOBUS focuses on Aspect-Based Sentiment Analysis (ABSA). The motivation behind SASOBUS lies in the growth of sentiment mining for product reviews, particularly at the sentence level. Its approach i

0 views • 36 slides


Understanding Contexts: A Meta-Ontological Approach

Ontologies provide a general representation of reality, but knowledge is mostly context-dependent. Analyzing different types of contexts, from linguistic to manufacturing, remains a challenge. This study aims to deepen the understanding of the ontological nature of contexts by leveraging a meta-onto

0 views • 14 slides


Classifying Entities into an Incomplete Ontology: Exploratory EM Approach

The research discusses methods for hierarchical classification of entities into incomplete ontologies. It explores the challenges of evolving web-scale datasets and the need for classifying entities in an incomplete ontology structure. The Hierarchical Exploratory EM model is detailed, providing ins

0 views • 27 slides


Understanding OWL (Web Ontology Language) in Depth

Delve deep into the intricacies of OWL, a powerful ontology language designed for instance classification, consistency checking, and subsumption reasoning. Explore its features, versions, species, and trade-offs between expressiveness and reasoning complexity.

0 views • 76 slides


Understanding Web Ontology Language (OWL) in a Nutshell

Web Ontology Language (OWL) is a powerful tool for ontology modeling, allowing the creation of complex structures and relationships. OWL encompasses entities, expressions, and properties, enabling detailed descriptions of domains through axioms. The language supports both object and data properties,

0 views • 39 slides


Introduction to Developing OWL Ontologies with Protégé 4

Explore the world of developing OWL ontologies with Protégé 4 through a comprehensive tutorial by Simon Jupp and Timothy Redmond from Stanford Centre for Biomedical Research and the University of Manchester. Learn about OWL introduction, Protégé 4 interface, compositional approach, and the signi

0 views • 44 slides


Introduction to Ontology in Computer Science

Ontology is the study of existence, with applications in various fields like philosophy, linguistics, and computer science. In computer science, an ontology is an engineering artifact that defines a specific vocabulary to describe a domain, along with explicit assumptions about the vocabulary's inte

0 views • 33 slides


Understanding ISO/IEC Standards and Ontologies in Information Technology

Exploring the world of ISO/IEC standards and formal ontologies as presented by Alan Ruttenberg and Barry Smith at JOWO Graz in 2019. The slides cover topics such as basic formal ontology, connectors, domain ontologies, top-level ontologies, and the requirements for being a top-level ontology. ISO/IE

0 views • 97 slides


Ontology Quiz: Test Your Knowledge on Computational Logic and Philosophy

Delve into the world of ontology with this quiz featuring questions on computational complexity, mereology, standardization of OWL, and foundational ontologies. Test your understanding on topics such as first-order predicate logic, parthood in mereology, and more. Challenge yourself and expand your

0 views • 45 slides


Exploring Relational Ontology and Its Philosophical Implications

Delve into the fascinating realm of relational ontology, where concepts like the nature of existence, the essence of things, and the interconnectedness of all are dissected. From traditional Western perspectives to Eastern philosophies, this exploration challenges conventional views on reality, emph

0 views • 16 slides


Semantic Relations Expressed by Prepositions in Modeling Study

Explore the study on modeling semantic relations expressed by prepositions conducted by Vivek Srikumar and Dan Roth from the University of Illinois, Urbana-Champaign. The research delves into prepositions triggering relations, ontology of preposition relations, examples of preposition relations, pre

0 views • 25 slides


Visualizing Ontology Evolution for Improved Knowledge Management

Ontologies are dynamic entities that evolve over time, impacting semantically-enabled applications and knowledge acquisition. This work focuses on identifying desired functionalities for ontology evolution systems, highlighting the steps involved in ontology evolution, and emphasizing the importance

0 views • 16 slides


NetLogo - Programmable Modeling Environment for Simulating Natural and Social Phenomena

NetLogo is a powerful and versatile programmable modeling environment created by Uri Wilensky in 1999. It allows users to simulate natural and social phenomena by giving instructions to multiple agents operating independently, making it ideal for modeling complex systems evolving over time. NetLogo

0 views • 7 slides


Semantic Tool for Personal Information Protection

Semantic Tool for the Protection of Personal Information Act is a project led by Yahlieel Jafta, aiming to establish a knowledge base using ontology to assist individuals and organizations in interpreting the Act. The project focuses on the importance of ontologies in extending knowledge and enablin

0 views • 17 slides