Semantic graph - PowerPoint PPT Presentation


Graph Machine Learning Overview: Traditional ML to Graph Neural Networks

Explore the evolution of Machine Learning in Graphs, from traditional ML tasks to advanced Graph Neural Networks (GNNs). Discover key concepts like feature engineering, tools like PyG, and types of ML tasks in graphs. Uncover insights into node-level, graph-level, and community-level predictions, an

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Understanding Semasiology: The Study of Word Meaning

Semasiology is a branch of linguistics focused on the meaning of words. It delves into various aspects of lexical meaning, semantic development, polysemy, and semantic structure. Through exploring types of word meanings and semantic changes, semasiology helps us comprehend the intricate nuances of l

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Localised Adaptive Spatial-Temporal Graph Neural Network

This paper introduces the Localised Adaptive Spatial-Temporal Graph Neural Network model, focusing on the importance of spatial-temporal data modeling in graph structures. The challenges of balancing spatial and temporal dependencies for accurate inference are addressed, along with the use of distri

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Graph Neural Networks

Graph Neural Networks (GNNs) are a versatile form of neural networks that encompass various network architectures like NNs, CNNs, and RNNs, as well as unsupervised learning models such as RBM and DBNs. They find applications in diverse fields such as object detection, machine translation, and drug d

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Understanding Neo4j Graph Database Fundamentals

This comprehensive presentation delves into the fundamentals of Neo4j graph database, covering topics such as the definition of graph databases, reasons for their usage, insights into Neo4j and Cypher, practical applications like data flow analysis, and hands-on instructions on creating and querying

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Understanding Breadth-First Search (BFS) Algorithm for Graph Searching

This content delves into the Breadth-First Search (BFS) algorithm, a fundamental graph searching technique. It explains the step-by-step process of BFS, from initializing the graph to traversing vertices in a specific order. Through detailed visual representations, you will gain insights into how BF

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Exploring Graph-Based Data Science: Opportunities, Challenges, and Techniques

Graph-based data science offers a powerful approach to analyzing data by leveraging graph structures. This involves using graph representation, analysis algorithms, ML/AI techniques, kernels, embeddings, and neural networks. Real-world examples show the utility of data graphs in various domains like

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Understanding Semantic Memory Models in Cognitive Psychology

Explore the structure and processes of semantic memory through traditional and neural network views. Delve into symbolic and network models, such as Collins & Quillian's 1970 model, which organize concepts as nodes and links, depicting relationships between concepts within semantic memory representa

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Understanding Graph Theory: Friendship Theorem and Freshman's Dream

Explore the intriguing concepts of the Friendship Theorem and Freshman's Dream in graph theory along with examples and visual illustrations. Learn about common friends, relationships between vertices and edges, and what defines a graph in a concise yet comprehensive manner.

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Understanding Semantic Roles in Linguistics

Semantic roles, also known as theta roles, play a crucial part in understanding the relationships between participants and verbs in a sentence. They include agents, experiencers, causers, positioners, subject complements, and objects. Agents are typically the doers of actions, experiencers receive e

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Understanding Semantic Roles in Sentence Structure

Semanticists analyze sentences based on semantic structure rather than traditional syntactic terms like subject and object. Instead, they use semantic terms such as Agent, External causer, Instrument, Affected, Recipient, and Locative. These terms help describe how people and things participate in r

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Introduction to Graph Theory Matchings

Graph Theory Matchings have a rich history dating back to the 9th century AD. Distinct Representatives and Hall's Theorem play important roles in determining matchings in graphs. Understanding concepts like bipartite graphs, maximum matchings, and Hall's Marriage Theorem is essential in graph theory

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Evolution of Freebase and the Google Knowledge Graph

Freebase was initially created in 2005 as an open shared database of knowledge, later acquired by Google and absorbed into the Google Knowledge Graph. Its approach included crowdsourcing updates and additions, focusing on data rather than text. The schema of Freebase included around 1500 types, 3500

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Combining Graph Algorithms with Data Structures and Algorithms in CSE 373 by Kasey Champion

In this lecture, Kasey Champion covers a wide range of topics including graph algorithms, data structures, coding projects, and important midterm topics for CSE 373. The lecture emphasizes understanding ADTs, data structures, asymptotic analysis, sorting algorithms, memory management, P vs. NP, heap

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Exploring Microsoft Graph: Accessing Files and Enhancing Microsoft 365 Platform

Uncover the power of Microsoft Graph through accessing files, extending Microsoft 365 experiences, and utilizing the gateway to Microsoft Cloud data. Learn about authentication options and how to interact with the Microsoft Graph Direct REST API.

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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

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Exploring Deep Graph Theory: Philosophical Implications and Misconceptions

Delve into the realm of Deep Graph Theory where graph theory statements are analyzed beyond their conventional scope to uncover philosophical insights and correct misunderstandings. Discover the essence of trees, forests, and the unique relationship where every tree is regarded as a forest. Addition

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Evolution and Demise of Freebase and the Google Knowledge Graph

Freebase was launched in 2005 as an open database of knowledge, initially populated with Wikipedia data and later incorporating crowdsourced updates. Acquired by Google in 2010, it was transitioned into Google's Knowledge Graph before being decommissioned in 2016. The schema contained around 1500 ty

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Understanding Semantic Properties in Lexical Semantics

Explore the concept of semantic properties in lexical semantics through examples involving word meanings and relationships. Learn how semantic properties form the basic building blocks of language construction, sharing common attributes among words while also showing contrastive distinctions. Dive i

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Understanding Graph Theory Fundamentals

Delve into the basics of graph theory with topics like graph embeddings, graph plotting, Kuratowski's theorem, planar graphs, Euler characteristic, trees, and more. Explore the principles behind graphs, their properties, and key theorems that define their structure and connectivity.

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Understanding Graph Shapes and Descriptors

Learn how to identify different graph shapes such as symmetric, skewed, and uniform, and understand descriptors like unimodal and bimodal. Explore practical examples and visual aids to enhance your graph interpretation skills.

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Association Rules with Graph Patterns: Exploring Relationships in Data

Dive into the world of association rules with graph patterns, where relationships and connections are analyzed through nodes and edges. Discover how to define association rules, identify customers, and uncover interesting patterns using graph-based techniques. Explore traditional and graph-pattern a

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Advancements in Knowledge Graph Question Answering for Materials Science

Investigating natural language interfaces for querying structured MOF data stored in a knowledge graph, this project focuses on developing strategies using NLP to translate NL questions to KG queries. The MOF-KG integrates datasets, enabling query, computation, and reasoning for deriving new knowled

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Understanding the Importance of Semantic HTML Tags

In this lecture, we delve into the significance of semantic HTML tags in structuring web content. We explore when to use

and tags, emphasizing their roles in CSS styling and scripting. Discover the benefits of organizing content into logical sections and learn how to utilize semantic co

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Exploring Semantic Web Technologies: RDFa, GRDDL, and POWDER

Delve into the depths of Semantic Web technologies with a focus on RDFa, GRDDL, and POWDER through the guidance of Dr. Nicholas Gibbins. Learn about embedding Semantic Web data, republishing embedded data, and the usage of GRDDL for XML transformations.

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Understanding Semantic Properties of Verbs in English Language

Explore the semantic properties of English verbs through various examples and classifications. Discover how verbs like hit, kiss, and touch share common properties, while verbs like make, create, imagine, and build belong to different classes based on their semantic relationships. Delve into the gra

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Solving the Professors to Coffee Lounge Problem: A Graph Theory Approach

An intriguing mathematical problem is presented where new faculty members at TIMS must be assigned to coffee lounge alcoves in a way that ensures no two new members meet after the first day. By constructing a graph based on meet-up timings, analyzing clashes, and determining intervals, this scenario

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Graph Connectivity and Single Element Recovery via Linear and OR Queries

The content discusses the concepts of graph connectivity and single element recovery using linear and OR queries. It delves into the strategies, algorithms, and tradeoffs involved in determining unknown vectors, edges incident to vertices, and spanning forests in graphs. The talk contrasts determini

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Exploring the Impact of Randomness on Planted 3-Coloring Models

In this study by Uriel Feige and Roee David from the Weizmann Institute, the effect of randomness on planted 3-coloring models is investigated. The research delves into the NP-hard nature of 3-coloring problems, introducing a hosted coloring framework that involves choices like the host graph and th

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Managing Large Graphs on Multi-Cores with Graph Awareness

This research discusses the challenges in managing large graphs on multi-core systems and introduces Grace, an in-memory graph management and processing system with optimizations for graph-specific and multi-core-specific operations. The system keeps the entire graph in memory in smaller parts and p

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Semantic Web Technologies and Knowledge Representation Overview

Semantic Web technologies such as RDF, RDFS, OWL, and SPARQL form the basis of a web of data designed for machine understanding. Knowledge representation languages play a crucial role in AI, with Semantic Web languages like OWL leading the current generation. Contrasting database and knowledge base

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Distributed Graph Algorithms: Introduction and Tree Coloring

This class introduces the fundamentals of distributed graph algorithms focusing on network modeling, complexity measures, solving graph problems, and comparing distributed vs. centralized algorithms. It covers topics such as the LOCAL model, synchronous rounds, communication rounds, computation time

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Dynamic Semantic Parser Approach for Sequential Question Answering

Using a Dynamic Semantic Parser approach, the research focuses on Sequential Question Answering (SQA) by structuring queries based on semantic parses of tables as single-table databases. The goal is to generate structured queries for questions by defining formal query languages and actions for trans

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Understanding Semantic Effects in Verbal Short-term Memory

Investigating the impact of semantic knowledge and similarity on verbal short-term memory, this study delves into how imageability of words influences recall. Key findings highlight the influence of semantic relatedness and the imageability effect on memory retention, shedding light on the mechanism

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Unveiling Polarity with Polarity-Inducing Latent Semantic Analysis

Polarity-Inducing Latent Semantic Analysis (PILSA) introduces a novel vector space model that distinguishes antonyms from synonyms. By encoding polarity information, synonyms cluster closely while antonyms are positioned at opposite ends of a unit sphere. Existing models struggle with finer distinct

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Maria's Bike Journey Graph Analysis

Maria's bike journey graph depicts her distance from home as she rode to meet friends and run errands before returning home. The graph shows her stops for errands, changes in direction, and her path back home. By interpreting the key features of the graph, such as intercepts and intervals, we can an

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Multimodal Semantic Indexing for Image Retrieval at IIIT Hyderabad

This research delves into multimodal semantic indexing methods for image retrieval, focusing on extending Latent Semantic Indexing (LSI) and probabilistic LSI to a multi-modal setting. Contributions include the refinement of graph models and partitioning algorithms to enhance image retrieval from tr

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Balanced Graph Edge Partition and Its Practical Applications

Balanced graph edge partitioning is a crucial problem in graph computation, machine learning, and graph databases. It involves partitioning a graph's vertices or edges into balanced components while minimizing cut costs. This process is essential for various real-world applications such as iterative

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Query-Driven On-The-Fly Knowledge Base Construction in Advanced Databases

This research delves into the cutting-edge topic of query-driven on-the-fly knowledge base construction, focusing on acquiring facts for a vast array of predicates and capturing billions of facts about entities in the world. Motivated by the limitations of existing knowledge bases, the study explore

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Semantic Data Model of Electronic Invoicing Core Elements

Presentation by Fred van Blommestein on the EN16931-1 semantic data model of core elements in electronic invoicing, covering invoice processes, core invoice design, semantic model details, business rules, and invoicing principles. The model includes 160 elements in 33 groups, with mandatory elements

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