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Abstractive community detection is an important spoken language understanding task, whose goal is to group utterances in a conversation according to whether they can be jointly summarized by a common abstractive sentence. This paper…

计算与语言 · 计算机科学 2019-11-11 Guokan Shang , Antoine Jean-Pierre Tixier , Michalis Vazirgiannis , Jean-Pierre Lorré

Advanced persistent threats (APTs) pose significant challenges for organizations, leading to data breaches, financial losses, and reputational damage. Existing provenance-based approaches for APT detection often struggle with high false…

密码学与安全 · 计算机科学 2024-06-11 Yonatan Amaru , Prasanna Wudali , Yuval Elovici , Asaf Shabtai

Retrieval-Augmented Generation (RAG) mitigates hallucination in large language models (LLMs) by incorporating external knowledge during generation. However, the effectiveness of RAG depends not only on the design of the retriever and the…

计算与语言 · 计算机科学 2026-04-15 Xudong Wang , Chaoning Zhang , Qigan Sun , Zhenzhen Huang , Chang Lu , Sheng Zheng , Zeyu Ma , Caiyan Qin , Yang Yang , Hengtao Shen

Retrieval-Augmented Generation (RAG) enhances the factuality of Large Language Models (LLMs) by incorporating retrieved documents and/or generated context. However, LLMs often exhibit a stylistic bias when presented with mixed contexts,…

计算与语言 · 计算机科学 2026-04-21 Jiaang Li , Zhendong Mao , Quan Wang , Yuning Wan , Yongdong Zhang

The integrity and reliability of scientific literature is facing a serious threat by adversarial text generation techniques, specifically from the use of automated paraphrasing tools to mask plagiarism. These tools generate "tortured…

计算与语言 · 计算机科学 2025-12-12 Agniva Maiti , Prajwal Panth , Suresh Chandra Satapathy

Retrieval-augmented generation (RAG) has emerged as a promising paradigm for improving factual accuracy in large language models (LLMs). We introduce a benchmark designed to evaluate RAG pipelines as a whole, evaluating a pipeline's ability…

The hallmark of Deep Research agents lies in compositional reasoning, the capacity to aggregate distributed, heterogeneous information into coherent logical insights. However, current agentic systems are often retrieval-heavy but…

Retrieval-augmented generation (RAG) systems address complex user requests by decomposing them into subqueries, retrieving potentially relevant documents for each, and then aggregating them to generate an answer. Efficiently selecting…

人工智能 · 计算机科学 2025-10-22 Roxana Petcu , Kenton Murray , Daniel Khashabi , Evangelos Kanoulas , Maarten de Rijke , Dawn Lawrie , Kevin Duh

Recommender systems often must maximize a primary objective while ensuring secondary ones satisfy minimum thresholds, or "guardrails." This is critical for maintaining a consistent user experience and platform ecosystem, but enforcing these…

信息检索 · 计算机科学 2025-09-05 Daryl Chang , Yi Wu , Jennifer She , Li Wei , Lukasz Heldt

Influence prediction plays a crucial role in the academic community. The amount of scholars' influence determines whether their work will be accepted by others. Most existing research focuses on predicting one paper's citation count after a…

计算机与社会 · 计算机科学 2024-06-27 Cong Qi , Qin Liu , Kan Liu

Recent GraphRAG methods integrate graph structures into text indexing and retrieval, using knowledge graph triples to connect text chunks, thereby improving retrieval coverage and precision. However, we observe that treating text chunks as…

信息检索 · 计算机科学 2026-04-24 Yanning Hou , Duanyang Yuan , Sihang Zhou , Xiaoshu Chen , Ke Liang , Siwei Wang , Xinwang Liu , Jian Huang

Chain-of-Thought (CoT) has been shown to significantly improve the reasoning accuracy of large language models (LLMs) on complex tasks. However, due to the autoregressive, step-by-step generation paradigm, existing CoT methods suffer from…

Deep learning compilers and vendor libraries deliver strong baseline performance but their performance is bounded by finite, engineer-curated catalogs. When these omit needed optimizations, practitioners substitute hand-written CUDA or…

分布式、并行与集群计算 · 计算机科学 2026-05-06 Sina Heidari , Dimitrios S. Nikolopoulos

Large Language Models (LLMs) have demonstrated impressive ability in generation and reasoning tasks but struggle with handling up-to-date knowledge, leading to inaccuracies or hallucinations. Retrieval-Augmented Generation (RAG) mitigates…

数据库 · 计算机科学 2026-03-13 Ziting Wang , Haitao Yuan , Wei Dong , Gao Cong , Feifei Li

This paper presents a novel Chunking-Free In-Context (CFIC) retrieval approach, specifically tailored for Retrieval-Augmented Generation (RAG) systems. Traditional RAG systems often struggle with grounding responses using precise evidence…

计算与语言 · 计算机科学 2024-02-16 Hongjin Qian , Zheng Liu , Kelong Mao , Yujia Zhou , Zhicheng Dou

In this paper, we propose a new system called ASET that allows users to perform structured explorations of text collections in an ad-hoc manner. The main idea of ASET is to use a new two-phase approach that first extracts a superset of…

计算与语言 · 计算机科学 2022-03-10 Benjamin Hättasch , Jan-Micha Bodensohn , Carsten Binnig

Social media platforms have become new battlegrounds for anti-social elements, with misinformation being the weapon of choice. Fact-checking organizations try to debunk as many claims as possible while staying true to their journalistic…

计算与语言 · 计算机科学 2022-09-15 Varad Bhatnagar , Diptesh Kanojia , Kameswari Chebrolu

Retrieval-Augmented Large Language Models (LLMs), which incorporate the non-parametric knowledge from external knowledge bases into LLMs, have emerged as a promising approach to enhancing response accuracy in several tasks, such as…

计算与语言 · 计算机科学 2024-03-29 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

Quantization-Aware Training (QAT) is a critical technique for deploying deep neural networks on resource-constrained devices. However, existing methods often face two major challenges: the highly non-uniform distribution of activations and…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Shaohang Jia , Zhiyong Huang , Zhi Yu , Mingyang Hou , Shuai Miao , Han Yang

In this work, we present HIDACT, a novel network architecture for adaptive computation for efficiently recognizing acoustic events. We evaluate the model on a sound event detection task where we train it to adaptively process frequency…

声音 · 计算机科学 2021-07-30 Zhepei Wang , Jonah Casebeer , Adam Clemmitt , Efthymios Tzinis , Paris Smaragdis