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In coreference resolution, it is important to consider all members of a coreference cluster and decide about all of them at once. This technique can help to avoid losing precision and also in finding long-distance relations. The presented…

Computation and Language · Computer Science 2020-07-09 Aref Jafari , Ali Ghodsi

In education applications, knowledge tracing refers to the problem of estimating students' time-varying concept/skill mastery level from their past responses to questions and predicting their future performance. One key limitation of most…

Computers and Society · Computer Science 2023-03-22 Naiming Liu , Zichao Wang , Richard G. Baraniuk , Andrew Lan

Textual data question answering has gained significant attention due to its growing applicability. Recently, a novel approach leveraging the Retrieval-Augmented Generation (RAG) method was introduced, utilizing the Prize-Collecting Steiner…

Machine Learning · Computer Science 2025-04-22 Manthankumar Solanki

This paper studies the performances of BERT combined with tree structure in short sentence ranking task. In retrieval-based question answering system, we retrieve the most similar question of the query question by ranking all the questions…

Computation and Language · Computer Science 2019-09-09 Tong Guo , Huilin Gao

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Recent studies on open-domain question answering have achieved prominent performance improvement using pre-trained language models such as BERT. State-of-the-art approaches typically follow the "retrieve and read" pipeline and employ…

Computation and Language · Computer Science 2020-03-02 Yuyu Zhang , Ping Nie , Xiubo Geng , Arun Ramamurthy , Le Song , Daxin Jiang

The advent of deep neural networks pre-trained via language modeling tasks has spurred a number of successful applications in natural language processing. This work explores one such popular model, BERT, in the context of document ranking.…

Information Retrieval · Computer Science 2019-11-01 Rodrigo Nogueira , Wei Yang , Kyunghyun Cho , Jimmy Lin

Knowledge graphs (KGs) are valuable for representing structured, interconnected information across domains, enabling tasks like semantic search, recommendation systems and inference. A pertinent challenge with KGs, however, is that many…

Computation and Language · Computer Science 2024-12-17 Haji Gul , Abdul Ghani Naim , Ajaz A. Bhat

The Biocreative VII Track-2 challenge consists of named entity recognition, entity-linking (or entity-normalization), and topic indexing tasks -- with entities and topics limited to chemicals for this challenge. Named entity recognition is…

Computation and Language · Computer Science 2021-12-01 Virginia Adams , Hoo-Chang Shin , Carol Anderson , Bo Liu , Anas Abidin

In this paper we explore the parameter efficiency of BERT arXiv:1810.04805 on version 2.0 of the Stanford Question Answering dataset (SQuAD2.0). We evaluate the parameter efficiency of BERT while freezing a varying number of final…

Computation and Language · Computer Science 2020-03-04 Eric Hulburd

We propose a new end-to-end model that treats AMR parsing as a series of dual decisions on the input sequence and the incrementally constructed graph. At each time step, our model performs multiple rounds of attention, reasoning, and…

Computation and Language · Computer Science 2020-04-30 Deng Cai , Wai Lam

We present our solutions to the Google Landmark Challenges 2021, for both the retrieval and the recognition tracks. Both solutions are ensembles of transformers and ConvNet models based on Sub-center ArcFace with dynamic margins. Since the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Qishen Ha , Bo Liu , Hongwei Zhang

We present our 7th place solution to the Gendered Pronoun Resolution challenge, which uses BERT without fine-tuning and a novel augmentation strategy designed for contextual embedding token-level tasks. Our method anonymizes the referent by…

Computation and Language · Computer Science 2019-06-12 Bo Liu

Node classification utilizing text-based node attributes has many real-world applications, ranging from prediction of paper topics in academic citation graphs to classification of user characteristics in social media networks.…

Machine Learning · Computer Science 2023-09-27 Tu Anh Dinh , Jeroen den Boef , Joran Cornelisse , Paul Groth

Current state-of-the-art systems for sequence labeling are typically based on the family of Recurrent Neural Networks (RNNs). However, the shallow connections between consecutive hidden states of RNNs and insufficient modeling of global…

Computation and Language · Computer Science 2019-06-07 Yijin Liu , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

We consider the task of generating dialogue responses from background knowledge comprising of domain specific resources. Specifically, given a conversation around a movie, the task is to generate the next response based on background…

Computation and Language · Computer Science 2020-06-01 Nikita Moghe , Priyesh Vijayan , Balaraman Ravindran , Mitesh M. Khapra

Retrieval augmented generation has revolutionized large language model (LLM) outputs by providing factual supports. Nevertheless, it struggles to capture all the necessary knowledge for complex reasoning questions. Existing retrieval…

Computation and Language · Computer Science 2024-10-21 Zijian Li , Qingyan Guo , Jiawei Shao , Lei Song , Jiang Bian , Jun Zhang , Rui Wang

This paper describes a simple UCCA semantic graph parsing approach. The key idea is to convert a UCCA semantic graph into a constituent tree, in which extra labels are deliberately designed to mark remote edges and discontinuous nodes for…

Computation and Language · Computer Science 2019-04-05 Wei Jiang , Zhenghua Li , Yu Zhang , Min Zhang

This work considers the problem of decentralized online learning, where the goal is to track the optimum of the sum of time-varying functions, distributed across several nodes in a network. The local availability of the functions and their…

Machine Learning · Computer Science 2024-02-14 Shivangi Dubey Sharma , Ketan Rajawat

This paper proposes a Graph Neural Network(GNN)-based method for exploiting semantics and local geometry to guide the identification of reliable pointcloud registration candidates. Semantic and morphological features of the environment…

Robotics · Computer Science 2023-10-24 Efimia Panagiotaki , Daniele De Martini , Georgi Pramatarov , Matthew Gadd , Lars Kunze