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Learning distributions of graphs can be used for automatic drug discovery, molecular design, complex network analysis, and much more. We present an improved framework for learning generative models of graphs based on the idea of deep state…

机器学习 · 计算机科学 2021-12-07 Julian Stier , Michael Granitzer

Retrieval-Augmented Generation (RAG) enhances the reasoning ability of Large Language Models (LLMs) by dynamically integrating external knowledge, thereby mitigating hallucinations and strengthening contextual grounding for structured data…

人工智能 · 计算机科学 2026-02-24 Sen Zhao , Lincheng Zhou , Yue Chen , Ding Zou

The guessing number of a directed graph (digraph), equivalent to the entropy of that digraph, was introduced as a direct criterion on the solvability of a network coding instance. This paper makes two contributions on the guessing number.…

信息论 · 计算机科学 2015-03-17 Maximilien Gadouleau , Soren Riis

To resolve the semantic ambiguity in texts, we propose a model, which innovatively combines a knowledge graph with an improved attention mechanism. An existing knowledge base is utilized to enrich the text with relevant contextual concepts.…

计算与语言 · 计算机科学 2024-01-30 Siyu Li , Lu Chen , Chenwei Song , Xinyi Liu

In a citation graph, adjacent paper nodes share related scientific terms and topics. The graph thus conveys unique structure information of document-level relatedness that can be utilized in the paper summarization task, for exploring…

计算与语言 · 计算机科学 2022-12-09 Xiuying Chen , Mingzhe Li , Shen Gao , Rui Yan , Xin Gao , Xiangliang Zhang

Retrieval-augmented generation (RAG) is a powerful technique that enhances downstream task execution by retrieving additional information, such as knowledge, skills, and tools from external sources. Graph, by its intrinsic "nodes connected…

We present a method for generating training data for reinforcement learning with verifiable rewards to improve small open-weights language models on mathematical tasks. Existing data generation approaches rely on open-loop pipelines and…

机器学习 · 计算机科学 2026-02-24 Teresa Yeo , Myeongho Jeon , Dulaj Weerakoon , Rui Qiao , Alok Prakash , Armando Solar-Lezama , Archan Misra

One of the challenges in information retrieval (IR) is the vocabulary mismatch problem, which happens when the terms between queries and documents are lexically different but semantically similar. While recent work has proposed to expand…

信息检索 · 计算机科学 2021-10-15 Soyeong Jeong , Jinheon Baek , ChaeHun Park , Jong C. Park

In this paper we demonstrate that $\textit{context free grammar (CFG) based methods for grammar induction benefit from modeling lexical dependencies}$. This contrasts to the most popular current methods for grammar induction, which focus on…

计算与语言 · 计算机科学 2020-07-31 Hao Zhu , Yonatan Bisk , Graham Neubig

Reasoning over knowledge graphs (KGs) with first-order logic (FOL) queries is challenging due to the inherent incompleteness of real-world KGs and the compositional complexity of logical query structures. Most existing methods rely on…

计算与语言 · 计算机科学 2025-12-23 Ziyan Zhang , Chao Wang , Zhuo Chen , Lei Chen , Chiyi Li , Kai Song

The evaluation of mathematical reasoning capabilities is essential for advancing Artificial General Intelligence (AGI). While Large Language Models (LLMs) have shown impressive performance in solving mathematical problems, existing…

计算与语言 · 计算机科学 2025-01-15 Bo Yang , Qingping Yang , Yingwei Ma , Runtao Liu

Explanations in a recommender system assist users in making informed decisions among a set of recommended items. Great research attention has been devoted to generating natural language explanations to depict how the recommendations are…

信息检索 · 计算机科学 2022-02-22 Peng Wang , Renqin Cai , Hongning Wang

Solving symbolic reasoning problems that require compositionality and systematicity is considered one of the key ingredients of human intelligence. However, symbolic reasoning is still a great challenge for deep learning models, which often…

神经与进化计算 · 计算机科学 2023-07-03 Flavio Petruzzellis , Alberto Testolin , Alessandro Sperduti

Hallucination, a persistent challenge plaguing language models, undermines their efficacy and trustworthiness in various natural language processing endeavors by generating responses that deviate from factual accuracy or coherence. This…

计算与语言 · 计算机科学 2024-12-30 Ratnesh Kumar Joshi , Sagnik Sengupta , Asif Ekbal

Graphs can represent relational information among entities and graph structures are widely used in many intelligent tasks such as search, recommendation, and question answering. However, most of the graph-structured data in practice suffers…

信息检索 · 计算机科学 2021-12-30 Hanxiong Chen , Yunqi Li , Shaoyun Shi , Shuchang Liu , He Zhu , Yongfeng Zhang

The art of mathematical reasoning stands as a fundamental pillar of intellectual progress and is a central catalyst in cultivating human ingenuity. Researchers have recently published a plethora of works centered around the task of solving…

计算与语言 · 计算机科学 2023-06-27 Syed Rifat Raiyan , Md. Nafis Faiyaz , Shah Md. Jawad Kabir , Mohsinul Kabir , Hasan Mahmud , Md Kamrul Hasan

In this work we propose a multi-valued extension of logic programs under the stable models semantics where each true atom in a model is associated with a set of justifications. These justifications are expressed in terms of causal graphs…

人工智能 · 计算机科学 2014-09-26 Pedro Cabalar , Jorge Fandinno , Michael Fink

Graph Retrieval-Augmented Generation (GRAG or Graph RAG) architectures aim to enhance language understanding and generation by leveraging external knowledge. However, effectively capturing and integrating the rich semantic information…

计算与语言 · 计算机科学 2025-01-29 Karishma Thakrar

Recent work exhibited that distributed word representations are good at capturing linguistic regularities in language. This allows vector-oriented reasoning based on simple linear algebra between words. Since many different methods have…

计算与语言 · 计算机科学 2016-03-25 Fei Sun , Jiafeng Guo , Yanyan Lan , Jun Xu , Xueqi Cheng

Despite the well-developed cut-edge representation learning for language, most language representation models usually focus on specific level of linguistic unit, which cause great inconvenience when being confronted with handling multiple…

计算与语言 · 计算机科学 2020-09-11 Yian Li , Hai Zhao