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Social media, especially Twitter, is being increasingly used for research with predictive analytics. In social media studies, natural language processing (NLP) techniques are used in conjunction with expert-based, manual and qualitative…

计算与语言 · 计算机科学 2020-04-03 Yunpeng Zhao , Mattia Prosperi , Tianchen Lyu , Yi Guo , Jiang Bian

We propose FrogWild, a novel algorithm for fast approximation of high PageRank vertices, geared towards reducing network costs of running traditional PageRank algorithms. Our algorithm can be seen as a quantized version of power iteration…

分布式、并行与集群计算 · 计算机科学 2015-02-17 Ioannis Mitliagkas , Michael Borokhovich , Alexandros G. Dimakis , Constantine Caramanis

Efficiently ranking relevant items from large candidate pools is a cornerstone of modern information retrieval systems -- such as web search, recommendation, and retrieval-augmented generation. Listwise rerankers, which improve relevance by…

信息检索 · 计算机科学 2025-06-30 Evgeny Dedov

Social media classification tasks (e.g., tweet sentiment analysis, tweet stance detection) are challenging because social media posts are typically short, informal, and ambiguous. Thus, training on tweets is challenging and demands…

计算与语言 · 计算机科学 2023-02-21 Shizhe Diao , Sedrick Scott Keh , Liangming Pan , Zhiliang Tian , Yan Song , Tong Zhang

Training deep neural networks from scratch on natural language processing (NLP) tasks requires significant amount of manually labeled text corpus and substantial time to converge, which usually cannot be satisfied by the customers. In this…

计算与语言 · 计算机科学 2019-10-29 Yunzhe Tao , Saurabh Gupta , Satyapriya Krishna , Xiong Zhou , Orchid Majumder , Vineet Khare

Search services have been developed rapidly in social Internet. It can help web users easily to find their documents. So that, finding a best method search is always an imagine. This paper would like introduce hybrid method of LPageRank…

信息检索 · 计算机科学 2009-12-10 Vu Thanh Nguyen

Text categorization is the task of assigning labels to documents written in a natural language, and it has numerous real-world applications including sentiment analysis as well as traditional topic assignment tasks. In this paper, we…

计算与语言 · 计算机科学 2020-03-05 Changzeng Fu , Chaoran Liu , Carlos Toshinori Ishi , Yuichiro Yoshikawa , Hiroshi Ishiguro

One of the main challenges in ranking is embedding the query and document pairs into a joint feature space, which can then be fed to a learning-to-rank algorithm. To achieve this representation, the conventional state of the art approaches…

计算与语言 · 计算机科学 2018-08-09 Dana Sagi , Tzoof Avny , Kira Radinsky , Eugene Agichtein

Inspired by the PageRank and HITS (hubs and authorities) algorithms for Web search, we propose a structural re-ranking approach to ad hoc information retrieval: we reorder the documents in an initially retrieved set by exploiting asymmetric…

信息检索 · 计算机科学 2007-05-23 Oren Kurland , Lillian Lee

In this paper, we present a fast and strong neural approach for general purpose text matching applications. We explore what is sufficient to build a fast and well-performed text matching model and propose to keep three key features…

计算与语言 · 计算机科学 2019-08-02 Runqi Yang , Jianhai Zhang , Xing Gao , Feng Ji , Haiqing Chen

Weakly-supervised text classification aims to train a classifier using only class descriptions and unlabeled data. Recent research shows that keyword-driven methods can achieve state-of-the-art performance on various tasks. However, these…

计算与语言 · 计算机科学 2022-12-16 Tingyu Xia , Yue Wang , Yuan Tian , Yi Chang

Recent studies have demonstrated the effectiveness of using large language language models (LLMs) in passage ranking. The listwise approaches, such as RankGPT, have become new state-of-the-art in this task. However, the efficiency of…

计算与语言 · 计算机科学 2025-01-29 Qi Liu , Bo Wang , Nan Wang , Jiaxin Mao

Closeness centrality is one way of measuring how central a node is in the given network. The closeness centrality measure assigns a centrality value to each node based on its accessibility to the whole network. In real life applications, we…

社会与信息网络 · 计算机科学 2017-06-08 Akrati Saxena , Ralucca Gera , S. R. S. Iyengar

Text-to-image models have recently achieved remarkable success with seemingly accurate samples in photo-realistic quality. However as state-of-the-art language models still struggle evaluating precise statements consistently, so do language…

人工智能 · 计算机科学 2022-08-30 Björn Deiseroth , Patrick Schramowski , Hikaru Shindo , Devendra Singh Dhami , Kristian Kersting

This article presents new alternatives to the similarity function for the TextRank algorithm for automatic summarization of texts. We describe the generalities of the algorithm and the different functions we propose. Some of these variants…

计算与语言 · 计算机科学 2019-06-06 Federico Barrios , Federico López , Luis Argerich , Rosa Wachenchauzer

Transformer-based models like BERT excel at short text classification but struggle with long document classification (LDC) due to input length limitations and computational inefficiencies. In this work, we propose an efficient, zero-shot…

计算与语言 · 计算机科学 2025-08-26 Prathamesh Kokate , Mitali Sarnaik , Manavi Khopade , Mukta Takalikar , Raviraj Joshi

Frontier language model quality increasingly hinges on our ability to organize web-scale text corpora for training. Today's dominant tools trade off speed and flexibility: lexical classifiers (e.g., FastText) are fast but limited to…

In this paper we describe a dynamic normalization process applied to social network multilingual documents (Facebook and Twitter) to improve the performance of the Author profiling task for short texts. After the normalization process,…

Many popular machine learning techniques in natural language processing and data mining rely heavily on high-quality text sources. However real-world text datasets contain a significant amount of spelling errors and improperly punctuated…

人工智能 · 计算机科学 2022-11-01 Nan Jiang , Chen Luo , Vihan Lakshman , Yesh Dattatreya , Yexiang Xue

Rich textual and topological information of textual graphs need to be modeled in real-world applications such as webpages, e-commerce, and academic articles. Practitioners have been long following the path of adopting a shallow text encoder…

计算与语言 · 计算机科学 2024-07-25 Yun Zhu , Yaoke Wang , Haizhou Shi , Siliang Tang