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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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 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 Word Embeddings in NLP: An Exploration
Explore the concept of word embeddings in natural language processing (NLP), which involves learning vectors that encode words. Discover the properties and relationships between words captured by these embeddings, along with questions around embedding space size and finding the right function. Delve
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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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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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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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Understanding Sparse vs. Dense Vector Representations in Natural Language Processing
Tf-idf and PPMI are sparse representations, while alternative dense vectors offer shorter lengths with non-zero elements. Dense vectors may generalize better and capture synonymy effectively compared to sparse ones. Learn about dense embeddings like Word2vec, Fasttext, and Glove, which provide effic
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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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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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Advancements in Word Embeddings through Dependency-Based Techniques
Explore the evolution of word embeddings with a focus on dependency-based methods, showcasing innovations like Skip-Gram with Negative Sampling. Learn about Generalizing Skip-Gram and the shift towards analyzing linguistically rich embeddings using various contexts such as bag-of-words and syntactic
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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
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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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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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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
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Exploring Word Embeddings in Vision and Language: A Comprehensive Overview
Word embeddings play a crucial role in representing words as compact vectors. This comprehensive overview delves into the concept of word embeddings, discussing approaches like one-hot encoding, histograms of co-occurring words, and more advanced techniques like word2vec. The exploration covers topi
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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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Understanding Spanning Trees and Minimum Spanning Trees
Explore the concept of spanning trees and minimum spanning trees in graph theory through an in-depth lecture outline covering topics like Cut Property, Cycle Property, Kruskal's Algorithm, and more. Delve into the significance of Minimum Spanning Trees (MSTs) as the lowest-cost spanning tree of a gr
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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
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Understanding Word Embeddings: A Comprehensive Overview
Word embeddings involve learning an encoding for words into vectors to capture relationships between them. Functions like W(word) return vector encodings for specific words, aiding in tasks like prediction and classification. Techniques such as word2vec offer methods like CBOW and Skip-gram to predi
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Graph Pattern Matching Challenges and Solutions
Graph pattern matching in social networks presents challenges such as costly queries, excessive results, and query focus issues. The complexity of top-k and diversified pattern matching problems requires heuristic algorithms for efficient solutions. Finding best candidates for project roles involves
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Understanding Small Set Expansion in Johnson Graphs
In this detailed piece, Subhash Khot, Dor Minzer, Dana Moshkovitz, and Muli Safra explore the fascinating concept of Small Set Expansion in Johnson Graphs. The Johnson Graph is defined as a representation where nodes are sets of size K in a universe of size N, and two sets are connected if they inte
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Vertex-Centric Programming for Graph Neural Networks
Seastar presents a vertex-centric programming approach for Graph Neural Networks, showcasing better performance in graph analytic tasks compared to traditional methods. The research introduces the SEAStar computation pattern and discusses GNN programming abstractions, execution, and limitations. Dee
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Graph Property Testing and Algorithms Overview
Explore testable bounded degree graph properties, sparse graphs, d-bounded degree graphs, hyperfinite graphs, arboricity, maximum matching algorithms, and sublinear time approximation algorithms in graph data streams. Learn about various graph models and properties with examples, showcasing the impo
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Understanding Graph Modeling and DFS Applications
Explore the world of graph modeling and DFS applications through lectures on graph vocabulary, edge classification in directed graphs, and the use of DFS to find cycles. Discover the significance of tree edges, back edges, forward edges, and cross edges in graph traversal. Learn how DFS can be utili
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Graph-Based Knowledge Representation in Modelling: A Comprehensive Overview
This content delves into graph-based knowledge representation in modelling, detailing concepts such as recipe-ingredient relationships, formalisms for generalizing graph representation, and conceptual graphs by John F. Sowa. It explores how different interpretations describe the association between
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Understanding Graph Databases and Neo4j
Graph databases offer a flexible way to manage data by representing relationships between nodes. Neo4j is a popular graph database system that uses Cypher for querying. This guide provides insights into graph database concepts, advantages, and getting started with Neo4j, including creating nodes and
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Exploring Word Embeddings and Syntax Encoding
Word embeddings play a crucial role in natural language processing, offering insights into syntax encoding. Jacob Andreas and Dan Klein from UC Berkeley delve into the impact of embeddings on various linguistic aspects like vocabulary expansion and statistic pooling. Through different hypotheses, th
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Solving Train Track Problems Using Interval Graphs and Graph Coloring
Presented by Manvitha Nellore, this content addresses real-world train track problems in busy cities by proposing solutions through interval graphs and graph theory. The approach involves allotting tracks to trains by scheduling with time intervals to avoid conflicts. An interval graph is defined, a
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Enhancing Distributional Similarity: Lessons from Word Embeddings
Explore how word vectors enable easy computation of similarity and relatedness, along with approaches for representing words using distributional semantics. Discover the contributions of word embeddings through novel algorithms and hyperparameters for improved performance.
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Understanding Word Vector Models for Natural Language Processing
Word vector models play a crucial role in representing words as vectors in NLP tasks. Subrata Chattopadhyay's Word Vector Model introduces concepts like word representation, one-hot encoding, limitations, and Word2Vec models. It explains the shift from one-hot encoding to distributed representations
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Transformer Neural Networks for Sequence-to-Sequence Translation
In the domain of neural networks, the Transformer architecture has revolutionized sequence-to-sequence translation tasks. This involves attention mechanisms, multi-head attention, transformer encoder layers, and positional embeddings to enhance the translation process. Additionally, Encoder-Decoder
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Data Processing and Analysis for Graph-Based Algorithms
This content delves into the preprocessing, computing, post-processing, and analysis of raw XML data for graph-based algorithms. It covers topics such as data ETL, graph analytics, PageRank computation, and identifying top users. Various tools and frameworks like GraphX, Spark, Giraph, and GraphLab
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Understanding Graph Algorithms for Connectivity and Shortest Paths
Graph algorithms play a crucial role in solving problems represented as networks, maps, paths, plans, and resource flow. This content delves into ways to find connectivity in graphs and algorithms for determining shortest paths. It discusses graph representations using adjacency matrices and lists,
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Insights into Cliques and Independent Sets in Graph Theory
Exploring the concepts of cliques, independent sets, and theorems in graph theory regarding enemy relationships, maximum number of edges in 3-free graphs, and properties of multipartite graphs. The propositions and theorems discussed shed light on graph structures and their properties, providing val
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Key Insights into Neural Embeddings and Word Representations
Explore the comparison between neural embeddings and explicit word representations, uncovering the mystery behind vector arithmetic in revealing analogies. Delve into the impact of sparse and dense vectors in representing words, with a focus on linguistic regularities and geometric patterns in neura
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