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Deep research has revolutionized data analysis, yet data scientists still devote substantial time to manually crafting visualizations, highlighting the need for robust automation from natural language queries. However, current systems…

Artificial Intelligence · Computer Science 2025-10-06 Zichen Chen , Jiefeng Chen , Sercan Ö. Arik , Misha Sra , Tomas Pfister , Jinsung Yoon

Large Language Models (LLMs) have demonstrated remarkable progress in scaling to access massive contexts. However, the access is via the latent and uninterpretable attention mechanisms, and LLMs fail to effective process long context,…

Computation and Language · Computer Science 2026-03-24 Weili Cao , Xunjian Yin , Bhuwan Dhingra , Shuyan Zhou

Addressing the challenge of effectively processing long contexts has become a critical issue for Large Language Models (LLMs). Two common strategies have emerged: 1) reducing the input length, such as retrieving relevant chunks by…

Computation and Language · Computer Science 2024-06-06 Yusen Zhang , Ruoxi Sun , Yanfei Chen , Tomas Pfister , Rui Zhang , Sercan Ö. Arik

Long document summarization remains a significant challenge for current large language models (LLMs), as existing approaches commonly struggle with information loss, factual inconsistencies, and coherence issues when processing excessively…

Computation and Language · Computer Science 2026-02-06 Weixuan Wang , Minghao Wu , Barry Haddow , Alexandra Birch

We propose a selective encoding model to extend the sequence-to-sequence framework for abstractive sentence summarization. It consists of a sentence encoder, a selective gate network, and an attention equipped decoder. The sentence encoder…

Computation and Language · Computer Science 2017-07-31 Qingyu Zhou , Nan Yang , Furu Wei , Ming Zhou

Given a user's complex information need, a multi-agent Deep Research system iteratively plans, retrieves, and synthesizes evidence across hundreds of documents to produce a high-quality answer. In one possible architecture, an orchestrator…

Information Retrieval · Computer Science 2026-04-06 Arthur Câmara , Vincent Slot , Jakub Zavrel

In this work, we investigate the performance of untrained randomly initialized encoders in a general class of sequence to sequence models and compare their performance with that of fully-trained encoders on the task of abstractive…

Computation and Language · Computer Science 2020-02-24 Jonathan Pilault , Jaehong Park , Christopher Pal

This paper presents Z-Code++, a new pre-trained language model optimized for abstractive text summarization. The model extends the state of the art encoder-decoder model using three techniques. First, we use a two-phase pre-training process…

Previous abstractive methods apply sequence-to-sequence structures to generate summary without a module to assist the system to detect vital mentions and relationships within a document. To address this problem, we utilize semantic graph to…

Computation and Language · Computer Science 2021-09-14 Qiwei Bi , Haoyuan Li , Kun Lu , Hanfang Yang

In artificial multi-agent systems, the ability to learn collaborative policies is predicated upon the agents' communication skills: they must be able to encode the information received from the environment and learn how to share it with…

Machine Learning · Computer Science 2023-01-23 Emanuele Pesce , Giovanni Montana

Text segmentation is important for signaling a document's structure. Without segmenting a long document into topically coherent sections, it is difficult for readers to comprehend the text, let alone find important information. The problem…

Computation and Language · Computer Science 2022-11-01 Sangwoo Cho , Kaiqiang Song , Xiaoyang Wang , Fei Liu , Dong Yu

In this paper, we study the problem of reinforcement learning in multi-agent systems where communication among agents is limited. We develop a decentralized actor-critic learning framework in which each agent performs several local updates…

Machine Learning · Computer Science 2025-10-23 Xiaoxing Ren , Nicola Bastianello , Thomas Parisini , Andreas A. Malikopoulos

An accurate abstractive summary of a document should contain all its salient information and should be logically entailed by the input document. We improve these important aspects of abstractive summarization via multi-task learning with…

Computation and Language · Computer Science 2018-05-29 Han Guo , Ramakanth Pasunuru , Mohit Bansal

Many multi-agent systems require inter-agent communication to properly achieve their goal. By learning the communication protocol alongside the action protocol using multi-agent reinforcement learning techniques, the agents gain the…

Machine Learning · Computer Science 2023-08-10 Astrid Vanneste , Thomas Somers , Simon Vanneste , Kevin Mets , Tom De Schepper , Siegfried Mercelis , Peter Hellinckx

Steady progress has been made in abstractive summarization with attention-based sequence-to-sequence learning models. In this paper, we propose a new decoder where the output summary is generated by conditioning on both the input text and…

Machine Learning · Computer Science 2019-08-21 Melissa Ailem , Bowen Zhang , Fei Sha

Recent advances in Large Language Models (LLMs) demonstrate that chain-of-thought prompting and deep reasoning substantially enhance performance on complex tasks, and multi-agent systems can further improve accuracy by enabling model…

Artificial Intelligence · Computer Science 2025-10-16 Zehui Ling , Deshu Chen , Yichi Zhang , Yuchen Liu , Xigui Li , Xin Guo , Yuan Cheng

Abstractive conversation summarization has received much attention recently. However, these generated summaries often suffer from insufficient, redundant, or incorrect content, largely due to the unstructured and complex characteristics of…

Computation and Language · Computer Science 2021-04-20 Jiaao Chen , Diyi Yang

In this paper we take the first steps in studying a new approach to synthesis of efficient communication schemes in multi-agent systems, trained via reinforcement learning. We combine symbolic methods with machine learning, in what is…

Artificial Intelligence · Computer Science 2022-12-29 Erik Jergéus , Leo Karlsson Oinonen , Emil Carlsson , Moa Johansson

Auto-encoders compress input data into a latent-space representation and reconstruct the original data from the representation. This latent representation is not easily interpreted by humans. In this paper, we propose training an…

Computation and Language · Computer Science 2018-10-09 Yau-Shian Wang , Hung-Yi Lee

The objective of knowledge graph embedding is to encode both entities and relations of knowledge graphs into continuous low-dimensional vector spaces. Previously, most works focused on symbolic representation of knowledge graph with…

Computation and Language · Computer Science 2016-12-14 Jiacheng Xu , Kan Chen , Xipeng Qiu , Xuanjing Huang