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The advent of multimodal learning has brought a significant improvement in document AI. Documents are now treated as multimodal entities, incorporating both textual and visual information for downstream analysis. However, works in this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Nikitha SR , Tarun Ram Menta , Mausoom Sarkar

Applications such as textual entailment, plagiarism detection or document clustering rely on the notion of semantic similarity, and are usually approached with dimension reduction techniques like LDA or with embedding-based neural…

Computation and Language · Computer Science 2019-09-20 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

Community Question Answering (CQA) has become a primary means for people to acquire knowledge, where people are free to ask questions or submit answers. To enhance the efficiency of the service, similar question identification becomes a…

Information Retrieval · Computer Science 2020-06-23 Zizhen Wang , Yixing Fan , Jiafeng Guo , Liu Yang , Ruqing Zhang , Yanyan Lan , Xueqi Cheng , Hui Jiang , Xiaozhao Wang

As structured documents with rich metadata (such as products, movies, etc.) become increasingly prevalent, searching those documents has become an important IR problem. Although advanced search interfaces are widely available, most users…

Information Retrieval · Computer Science 2015-01-06 Lanbo Zhang

Induced by "big data," "topic modeling" has become an attractive alternative to mapping co-words in terms of co-occurrences and co-absences using network techniques. Does topic modeling provide an alternative for co-word mapping in research…

Digital Libraries · Computer Science 2016-02-29 Loet Leydesdorff , Adina Nerghes

This paper proposes a new paradigm and computational framework for identification of correspondences between sub-structures of distinct composite systems. For this, we define and investigate a variant of traditional data clustering, termed…

Machine Learning · Computer Science 2007-05-23 Zvika Marx , Ido Dagan , Joachim Buhmann

Named entities in text documents are the names of people, organization, location or other types of objects in the documents that exist in the real world. A persisting research challenge is to use computational techniques to identify such…

Computation and Language · Computer Science 2019-07-09 Abdulkareem Alsudais , Hovig Tchalian

We propose a novel clustering pipeline to detect and characterize influence campaigns from documents. This approach clusters parts of document, detects clusters that likely reflect an influence campaign, and then identifies documents linked…

Computation and Language · Computer Science 2024-04-30 Zhengxiang Wang , Owen Rambow

Existing OCR engines or document image analysis systems typically rely on training separate models for text detection in varying scenarios and granularities, leading to significant computational complexity and resource demands. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Xingyu Wan , Chengquan Zhang , Pengyuan Lyu , Sen Fan , Zihan Ni , Kun Yao , Errui Ding , Jingdong Wang

Analyzing textual data is a very challenging task because of the huge volume of data generated daily. Fundamental issues in text analysis include the lack of structure in document datasets, the need for various preprocessing steps %(e.g.,…

Databases · Computer Science 2016-12-20 Ciprian-Octavian Truică , Jérôme Darmont , Julien Velcin

The use of Retrieval-Augmented Generation (RAG) has improved Large Language Models (LLMs) in collaborating with external data, yet significant challenges exist in real-world scenarios. In areas such as academic literature and finance…

Artificial Intelligence · Computer Science 2024-11-01 Yulong Hui , Yao Lu , Huanchen Zhang

Canonical Correlation Analysis (CCA) is a statistical technique used to extract common information from multiple data sources or views. It has been used in various representation learning problems, such as dimensionality reduction, word…

Machine Learning · Computer Science 2020-06-18 Benjamin Dutton

The number of documents available into Internet moves each day up. For this reason, processing this amount of information effectively and expressibly becomes a major concern for companies and scientists. Methods that represent a textual…

Information Retrieval · Computer Science 2017-03-21 Mohamed Morchid , Juan-Manuel Torres-Moreno , Richard Dufour , Javier Ramírez-Rodríguez , Georges Linarès

A representative model in integrative analysis of two high-dimensional correlated datasets is to decompose each data matrix into a low-rank common matrix generated by latent factors shared across datasets, a low-rank distinctive matrix…

Machine Learning · Statistics 2022-04-06 Hai Shu , Zhe Qu

Existing graph- and hypergraph-based algorithms for document summarization represent the sentences of a corpus as the nodes of a graph or a hypergraph in which the edges represent relationships of lexical similarities between sentences.…

Computation and Language · Computer Science 2019-04-17 Hadrien Van Lierde , Tommy W. S. Chow

Comparable texts are topic-aligned documents in multiple languages that are not direct translations. They are valuable for understanding how a topic is discussed across languages. This research studies differences in sentiments and emotions…

Computation and Language · Computer Science 2025-08-06 Motaz Saad , David Langlois , Kamel Smaili

We introduce LongDA, a data analysis benchmark for evaluating LLM-based agents under documentation-intensive analytical workflows. In contrast to existing benchmarks that assume well-specified schemas and inputs, LongDA targets real-world…

Digital Libraries · Computer Science 2026-01-13 Yiyang Li , Zheyuan Zhang , Tianyi Ma , Zehong Wang , Keerthiram Murugesan , Chuxu Zhang , Yanfang Ye

While most topic modeling algorithms model text corpora with unigrams, human interpretation often relies on inherent grouping of terms into phrases. As such, we consider the problem of discovering topical phrases of mixed lengths. Existing…

Computation and Language · Computer Science 2014-11-20 Ahmed El-Kishky , Yanglei Song , Chi Wang , Clare Voss , Jiawei Han

A similarity join aims to find all similar pairs between two collections of records. Established approaches usually deal with synthetic differences like typos and abbreviations, but neglect the semantic relations between words. Such…

Information Retrieval · Computer Science 2018-10-30 Pengfei Xu , Jiaheng Lu

Long documents such as academic articles and business reports have been the standard format to detail out important issues and complicated subjects that require extra attention. An automatic summarization system that can effectively…

Computation and Language · Computer Science 2022-07-05 Huan Yee Koh , Jiaxin Ju , Ming Liu , Shirui Pan
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