Meta ontology - PowerPoint PPT Presentation


Introduction to Meta-analysis in Stata

This workshop, presented by Dr. Christine R. Wells from UCLA, provides an in-depth exploration of meta-analysis in Stata. Participants will learn about systematic reviews, data collection and organization, running meta-analyses, interpreting results, creating graphs, and identifying biases. The focu

4 views • 181 slides


Systematic Reviews, Meta-analysis, and Clinical Practice Guidelines

Explore the importance of systematic reviews, critical appraisal questions, meta-analysis, and clinical practice guidelines in the healthcare field. Learn about the process of appraising systematic reviews, the significance of meta-analysis, and the benefits of following clinical practice guidelines

2 views • 16 slides



Comprehensive Overview of Admetan: A New Meta-Analysis Command

This meta-analysis command, Admetan, introduced by David Fisher from MRC Clinical Trials Unit at UCL, offers a comprehensive analysis of combining results from independent studies. It builds on the history of meta-analysis in Stata and aims to enhance capabilities for researchers. Admetan provides f

1 views • 19 slides


Meta-Analysis in GWAS: Methods and Applications

Meta-analysis in GWAS involves combining data across studies to estimate overall effects, explore cohort differences, improve power, and replicate findings. It includes joint vs. meta-analysis, methods, and types such as fixed effect and random effect meta-analyses.

0 views • 20 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


Meta's Role in Amplifying Anti-Rohingya Hate on Facebook

The investigation findings reveal Meta's failure to address hate speech and incitement against the Rohingya people on Facebook, resulting in a platform that amplified and promoted harmful content. Despite admitting in 2018 that more needed to be done, Meta's business model of data collection and eng

4 views • 7 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


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


Meta-programming in Haskell: A Closer Look at Splices and Quotations

Explore the world of meta-programming in Haskell through splices and quotations. Learn about successful extensions introduced by Simon Peyton Jones and Tim Sheard, including practical examples like generating source code using splices that are type-checked and compiled at compile time. Dive into con

2 views • 45 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


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


Prediction and Confidence Intervals in Meta-Analysis

Conceptually, I-squared represents the proportion of total variation due to true differences between studies, while Proportion of total variance is due to random effects. Prediction intervals provide a range where study outcomes are expected, unlike confidence intervals which contain the parameter's

0 views • 26 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


Future Role of State Governance through Meta-Governance and Political Leadership

Governance research perspective discusses the evolving role of the state in mobilizing public and private actors through interactive forms of governance. Meta-governance theory emphasizes the governance of governance, with a focus on interactive governance arenas. Recent theories of political leader

0 views • 11 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


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


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


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


Developing Essential Meta-Skills for Personal Growth

Enhancing meta-skills such as focusing, initiative, integrity, adapting, collaborating, leading, communicating, and feeling is crucial for personal development. These skills enable individuals to maintain concentration, make confident decisions, uphold ethical values, embrace change, build relations

0 views • 14 slides


Bayesian Meta-Prior Learning Using Empirical Bayes: A Framework for Sequential Decision Making Under Uncertainty

Explore the innovative framework proposed by Sareh Nabi at the University of Washington for Bayesian meta-prior learning using empirical Bayes. The framework aims to optimize ad layout and classification problems efficiently by decoupling learning rates of model parameters. Learn about the Multi-Arm

0 views • 27 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


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


Ontology-Driven Review-Level Aspect-Based Sentiment Analysis

This study presents an innovative approach to sentiment analysis at the review level, focusing on aspect-based sentiment analysis (ABSA) using ontologies. Motivated by the increasing volume of product reviews online, the research addresses the challenge of detecting sentiment associated with aspects

0 views • 30 slides


Comprehensive Guide to Ontology Editors and IDEs for Ontologies

Explore a wide range of Ontology Editors and Integrated Development Environments (IDEs) for managing ontologies efficiently. From simple text editors to advanced IDEs like Protégé and Web Protege, learn about various tools and syntax options available. Dive into Ontology Editors like Protégé 4.3

0 views • 16 slides


Advancing Digital Preservation Through Risk Assessment and Ontology

Explore the innovative approach of utilizing risk assessment methodologies and ontology to enhance digital preservation strategies. Learn how these tools help in identifying risks, mapping mitigation measures, and aligning real-world objectives with preservation goals for effective management of dig

0 views • 11 slides


EVAL 6970: Meta-Analysis

Dive into the Fall 2013 introduction to meta-analysis course led by Dr. Chris L. S. Coryn and Kristin A. Hobson. Explore topics such as course agenda, required textbooks, software requirements, homework assignments, final project details, weighting of components, instructional format, and course web

0 views • 30 slides


Intelligent Ontology Alignment Tool for Complex Mismatches

Dealing with ontology mismatches is crucial in aligning diverse healthcare entities and data sources. Learn about an intelligent ontology alignment tool presented at the ICCS/NTUA workshop in December 2014 in Berlin, focusing on managing conceptual, explication, and classification mismatches using m

0 views • 18 slides


Reproduction of Meta Reinforcement Learning for Optimal Design of Legged Robots

Our project aims to reproduce the Meta Reinforcement Learning process for optimal design of legged robots, focusing on understanding robot design parameters, algorithms, and optimization. We will explore Markov Decision Process (MDP), Model-Agnostic Meta-Learning (MAML), and design optimization tech

0 views • 9 slides


Introduction to Ontology

The evolution of ontology from Carnap's logical positivism to Quine's revival of metaphysics, reshaping the landscape of analytic philosophy. Quine's method for serious ontology challenges traditional views on existence, incorporating scientific theory and logical analysis to explore the nature of r

0 views • 16 slides


Ontology Editor and OWL Syntax Exploration

Delve into the world of ontology editing and OWL syntax with the Protégé Ontology Editor, along with essential reading materials for building OWL ontologies. Discover tools for integrating reasoning and ensuring consistency in your ontologies. Learn about Manchester DL syntax and its user-friendly

0 views • 7 slides


Ontology-Driven Sentiment Analysis for Product and Service Aspects

Sentiment analysis through ontology to determine positive, negative, or neutral sentiments for different aspects of entities. Utilizing ontology for sentiment inference yields explainable results but requires a comprehensive ontology. The purpose is to link lexicalizations to aspect and sentiment co

0 views • 24 slides


SynSemClass - an Event-type Ontology in Multiple Languages

An innovative study on an event-type ontology presented in multiple languages by Zdeka Ureov at Charles University, Prague. This research originates from the Institute of Formal and Applied Linguistics within the Computer Science School. The paper delves into the classification of events with lingui

0 views • 16 slides


Approaches for Federated Query Systems and Ontology Mapping

This content delves into the methodologies, tools, and strategies involved in federated query systems, specifically focusing on ontology mapping, query construction, and types of queries within the i2b2 Star Schema. It discusses the necessity of integrating local codes into central hierarchies and p

0 views • 26 slides