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Online social networks are a dominant medium in everyday life to stay in contact with friends and to share information. In Twitter, users can connect with other users by following them, who in turn can follow back. In recent years,…

Social and Information Networks · Computer Science 2022-05-06 Christoph Schweimer , Christine Gfrerer , Florian Lugstein , David Pape , Jan A. Velimsky , Robert Elsässer , Bernhard C. Geiger

A word embedding is a low-dimensional, dense and real- valued vector representation of a word. Word embeddings have been used in many NLP tasks. They are usually gener- ated from a large text corpus. The embedding of a word cap- tures both…

Computation and Language · Computer Science 2017-08-15 Quanzhi Li , Sameena Shah , Xiaomo Liu , Armineh Nourbakhsh

This paper explores the real-time summarization of scheduled events such as soccer games from torrential flows of Twitter streams. We propose and evaluate an approach that substantially shrinks the stream of tweets in real-time, and…

Information Retrieval · Computer Science 2012-04-18 Arkaitz Zubiaga , Damiano Spina , Enrique Amigó , Julio Gonzalo

We present path2vec, a new approach for learning graph embeddings that relies on structural measures of pairwise node similarities. The model learns representations for nodes in a dense space that approximate a given user-defined graph…

Computation and Language · Computer Science 2019-04-15 Andrey Kutuzov , Mohammad Dorgham , Oleksiy Oliynyk , Chris Biemann , Alexander Panchenko

Twitter has been heavily used as an important channel for communicating and discussing about events in real-time. In such major events, many uninformative tweets are also published rapidly by many users, making it hard to follow the events.…

Computation and Language · Computer Science 2021-01-15 Renato Stoffalette João

The ever-growing datasets published on Linked Open Data mainly contain encyclopedic information. However, there is a lack of quality structured and semantically annotated datasets extracted from unstructured real-time sources. In this…

Computation and Language · Computer Science 2018-10-12 Saeedeh Shekarpour , Ankita Saxena , Krishnaprasad Thirunarayan , Valerie L. Shalin , Amit Sheth

With the widespread use of language models (LMs) in NLP tasks, researchers have discovered the potential of Chain-of-thought (CoT) to assist LMs in accomplishing complex reasoning tasks by generating intermediate steps. However, human…

Computation and Language · Computer Science 2024-03-26 Yao Yao , Zuchao Li , Hai Zhao

Graphs are a powerful mathematical model, and they are used to represent real-world structures in various fields. In many applications, real-world structures with high connectivity and robustness are preferable. For enhancing the…

Social and Information Networks · Computer Science 2023-06-13 Fanchen Bu , Kijung Shin

Nowadays, many platforms on the Web offer organized events, allowing users to be organizers or participants. For such platforms, it is beneficial to predict potential event participants. Existing work on this problem tends to borrow…

Machine Learning · Computer Science 2023-10-03 Yihong Zhang , Takahiro Hara

We introduce a simple yet effective method of integrating contextual embeddings with commonsense graph embeddings, dubbed BERT Infused Graphs: Matching Over Other embeDdings. First, we introduce a preprocessing method to improve the speed…

Computation and Language · Computer Science 2019-10-18 Jeff Da

We describe a new method for summarizing similarities and differences in a pair of related documents using a graph representation for text. Concepts denoted by words, phrases, and proper names in the document are represented positionally as…

cmp-lg · Computer Science 2007-05-23 Inderjeet Mani , Eric Bloedorn

Incorporating external graph knowledge into neural chatbot models has been proven effective for enhancing dialogue generation. However, in conventional graph neural networks (GNNs), message passing on a graph is independent from text,…

Computation and Language · Computer Science 2023-06-29 Chen Tang , Hongbo Zhang , Tyler Loakman , Chenghua Lin , Frank Guerin

This paper attempt to study the effectiveness of text representation schemes on two tasks namely: User Aggression and Fact Detection from the social media contents. In User Aggression detection, The aim is to identify the level of…

Information Retrieval · Computer Science 2019-04-19 Sandip Modha , Prasenjit Majumder

This paper introduces a new web-based software tool for annotating text, Text Annotation Graphs, or TAG. It provides functionality for representing complex relationships between words and word phrases that are not available in other…

Computation and Language · Computer Science 2018-03-02 Angus G. Forbes , Kristine Lee , Gus Hahn-Powell , Marco A. Valenzuela-Escárcega , Mihai Surdeanu

Commonsense knowledge is crucial to many natural language processing tasks. Existing works usually incorporate graph knowledge with conventional graph neural networks (GNNs), resulting in a sequential pipeline that compartmentalizes the…

Computation and Language · Computer Science 2024-09-24 Hongbo Zhang , Chen Tang , Tyler Loakman , Bohao Yang , Stefan Goetze , Chenghua Lin

Production of news content is growing at an astonishing rate. To help manage and monitor the sheer amount of text, there is an increasing need to develop efficient methods that can provide insights into emerging content areas, and stratify…

Computation and Language · Computer Science 2020-10-29 M. Tarik Altuncu , Sophia N. Yaliraki , Mauricio Barahona

Tweet clustering for event detection is a powerful modern method to automate the real-time detection of events. In this work we present a new tweet clustering approach, using a probabilistic approach to incorporate temporal information. By…

Social and Information Networks · Computer Science 2018-11-14 Peter Mathews , Caitlin Gray , Lewis Mitchell , Giang T. Nguyen , Nigel G. Bean

Graph Neural Networks (GNNs) that capture the relationships between graph nodes via message passing have been a hot research direction in the natural language processing community. In this paper, we propose Graph Topic Model (GTM), a GNN…

Computation and Language · Computer Science 2020-09-30 Deyu Zhou , Xuemeng Hu , Rui Wang

Conspiracy theories, as a type of misinformation, are narratives that explains an event or situation in an irrational or malicious manner. While most previous work examined conspiracy theory in social media short texts, limited attention…

Computation and Language · Computer Science 2023-10-31 Yuanyuan Lei , Ruihong Huang

The unprecedented use of social media through smartphones and other web-enabled mobile devices has enabled the rapid adoption of platforms like Twitter. Event detection has found many applications on the web, including breaking news…

Social and Information Networks · Computer Science 2014-05-07 Shamanth Kumar , Huan Liu , Sameep Mehta , L. Venkata Subramaniam