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Related papers: LAQP: Learning-based Approximate Query Processing

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We present Quip, a lossless compression algorithm for next-generation sequencing data in the FASTQ and SAM/BAM formats. In addition to implementing reference-based compression, we have developed, to our knowledge, the first assembly-based…

Quantitative Methods · Quantitative Biology 2012-07-11 Daniel C. Jones , Walter L. Ruzzo , Xinxia Peng , Michael G. Katze

We propose a new model, DocHopper, that iteratively attends to different parts of long, hierarchically structured documents to answer complex questions. Similar to multi-hop question-answering (QA) systems, at each step, DocHopper uses a…

Computation and Language · Computer Science 2021-10-25 Haitian Sun , William W. Cohen , Ruslan Salakhutdinov

Large Language Models (LLMs) exhibit remarkable capabilities but are prone to generating inaccurate or hallucinatory responses. This limitation stems from their reliance on vast pretraining datasets, making them susceptible to errors in…

Computation and Language · Computer Science 2024-04-02 Chi-Min Chan , Chunpu Xu , Ruibin Yuan , Hongyin Luo , Wei Xue , Yike Guo , Jie Fu

In this paper, we introduce Query-based Attention CNN(QACNN) for Text Similarity Map, an end-to-end neural network for question answering. This network is composed of compare mechanism, two-staged CNN architecture with attention mechanism,…

Artificial Intelligence · Computer Science 2017-10-19 Tzu-Chien Liu , Yu-Hsueh Wu , Hung-Yi Lee

Knowledge tracing (KT) models, e.g., the deep knowledge tracing (DKT) model, track an individual learner's acquisition of skills over time by examining the learner's performance on questions related to those skills. A practical limitation…

Machine Learning · Computer Science 2020-05-27 Shashank Sonkar , Andrew E. Waters , Andrew S. Lan , Phillip J. Grimaldi , Richard G. Baraniuk

Approximate linear programming (ALP) is an efficient approach to solving large factored Markov decision processes (MDPs). The main idea of the method is to approximate the optimal value function by a set of basis functions and optimize…

Artificial Intelligence · Computer Science 2012-06-18 Branislav Kveton , Milos Hauskrecht

Retrieval Augmented Generation (RAG) has become a popular application for large language models. It is preferable that successful RAG systems provide accurate answers that are supported by being grounded in a passage without any…

Computation and Language · Computer Science 2024-12-24 Sara Rosenthal , Avirup Sil , Radu Florian , Salim Roukos

Quadratically constrained quadratic programs (QCQPs) are ubiquitous in optimization: Such problems arise in applications from operations research, power systems, signal processing, chemical engineering, and portfolio theory, among others.…

Optimization and Control · Mathematics 2026-03-31 Muge Dedeoglu , Buket Ozen , Burak Kocuk

The exponential run time of quantum simulators on classical machines and long queue times and high costs of real quantum devices present significant challenges in the efficient optimization of Variational Quantum Algorithms (VQAs) like…

Quantum Physics · Physics 2024-02-21 Satwik Kundu , Debarshi Kundu , Swaroop Ghosh

Knowledge Base Question Answering (KBQA) aims to answer natural language questions with factual information such as entities and relations in KBs. However, traditional Pre-trained Language Models (PLMs) are directly pre-trained on…

Computation and Language · Computer Science 2023-08-29 Guanting Dong , Rumei Li , Sirui Wang , Yupeng Zhang , Yunsen Xian , Weiran Xu

Knowledge Base Question Answering (KBQA) aims to answer natural language questions over large-scale knowledge bases (KBs), which can be summarized into two crucial steps: knowledge retrieval and semantic parsing. However, three core…

Computation and Language · Computer Science 2024-10-31 Haoran Luo , Haihong E , Zichen Tang , Shiyao Peng , Yikai Guo , Wentai Zhang , Chenghao Ma , Guanting Dong , Meina Song , Wei Lin , Yifan Zhu , Luu Anh Tuan

In this paper, the parameter estimation of ARMA(p,q) model is given by approximate Bayesian computation algorithm. In order to improve the sampling efficiency of the algorithm, approximate Bayesian computation should select as many…

Computation · Statistics 2019-05-01 Linghui Li , Anshui Li , Huizeng Zhang

This paper focuses on the design of sequential quadratic optimization (commonly known as SQP) methods for solving large-scale nonlinear optimization problems. The most computationally demanding aspect of such an approach is the computation…

Optimization and Control · Mathematics 2020-02-27 James V. Burke , Frank E. Curtis , Hao Wang , Jiashan Wang

Large language models (LLMs) are often equipped with multi-sample decoding strategies. An LLM implicitly defines an arithmetic code book, facilitating efficient and embarrassingly parallelizable \textbf{arithmetic sampling} to produce…

Artificial Intelligence · Computer Science 2025-04-29 Aditya Parashar , Aditya Vikram Singh , Avinash Amballa , Jinlin Lai , Benjamin Rozonoyer

The emergence of accurate open large language models (LLMs) has led to a race towards performant quantization techniques which can enable their execution on end-user devices. In this paper, we revisit the problem of "extreme" LLM…

Machine Learning · Computer Science 2024-09-12 Vage Egiazarian , Andrei Panferov , Denis Kuznedelev , Elias Frantar , Artem Babenko , Dan Alistarh

Deploying Large Language Models (LLMs) for healthcare question answering requires robust methods to ensure accuracy and reliability. This work introduces Query-Based Retrieval Augmented Generation (QB-RAG), a framework for enhancing…

Machine Learning · Computer Science 2025-07-31 Eric Yang , Jonathan Amar , Jong Ha Lee , Bhawesh Kumar , Yugang Jia

The present paper develops a novel aggregated gradient approach for distributed machine learning that adaptively compresses the gradient communication. The key idea is to first quantize the computed gradients, and then skip less informative…

Machine Learning · Computer Science 2019-09-18 Jun Sun , Tianyi Chen , Georgios B. Giannakis , Zaiyue Yang

Automated question quality rating (AQQR) aims to evaluate question quality through computational means, thereby addressing emerging challenges in online learnersourced question repositories. Existing methods for AQQR rely solely on…

Computation and Language · Computer Science 2021-11-22 Lin Ni , Qiming Bao , Xiaoxuan Li , Qianqian Qi , Paul Denny , Jim Warren , Michael Witbrock , Jiamou Liu

Large language models (LLMs) demonstrate exceptional performance across a variety of tasks, yet they are often affected by hallucinations and the timeliness of knowledge. Leveraging knowledge graphs (KGs) as external knowledge sources has…

Computation and Language · Computer Science 2024-12-31 Siyuan Fang , Kaijing Ma , Tianyu Zheng , Xinrun Du , Ningxuan Lu , Ge Zhang , Qingkun Tang

Multi-hop Question Answering (QA) is a challenging task since it requires an accurate aggregation of information from multiple context paragraphs and a thorough understanding of the underlying reasoning chains. Recent work in multi-hop QA…

Computation and Language · Computer Science 2022-11-02 Kaige Xie , Sarah Wiegreffe , Mark Riedl
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