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A fundamental challenge in the current NLP context, dominated by language models, comes from the inflexibility of current architectures to 'learn' new information. While model-centric solutions like continual learning or parameter-efficient…

计算与语言 · 计算机科学 2023-08-21 Hsuvas Borkakoty , Luis Espinosa-Anke

We extend classical work by Janusz Czelakowski on the closure properties of the class of matrix models of entailment relations - nowadays more commonly called multiple-conclusion logics - to the setting of non-deterministic matrices…

逻辑 · 数学 2023-10-05 Carlos Caleiro , Sérgio Marcelino , Umberto Rivieccio

This paper deals with an extended model of computations which uses the parameterized families of entities for data objects and reflects a preliminary outline of this problem. Some topics are selected out, briefly analyzed and arranged to…

计算机科学中的逻辑 · 计算机科学 2007-05-23 Larissa Ismailova , Konstantin Zinchenko , Lioubouv Bourmistrova

Reward modeling is central to alignment pipelines such as RLHF, RLAIF, and PPO-based policy optimization, yet its reliability is constrained by limited and heterogeneous human preference data that are expensive to collect at scale. While…

机器学习 · 计算机科学 2026-05-26 Payel Bhattacharjee , Osvaldo Simeone , Ravi Tandon

Graph-based data models allow for flexible data representation. In particular, semantic data based on RDF and OWL fuels use cases ranging from general knowledge graphs to domain specific knowledge in various technological or scientific…

编程语言 · 计算机科学 2019-02-06 Philipp Seifer , Martin Leinberger , Ralf Lämmel , Steffen Staab

Large language models (LLMs) have shown promise in table Question Answering (Table QA). However, extending these capabilities to multi-table QA remains challenging due to unreliable schema linking across complex tables. Existing methods…

人工智能 · 计算机科学 2025-11-25 Xixi Wang , Miguel Costa , Jordanka Kovaceva , Shuai Wang , Francisco C. Pereira

Translating biomedical ontologies is an important challenge, but doing it manually requires much time and money. We study the possibility to use open-source knowledge bases to translate biomedical ontologies. We focus on two aspects:…

定量方法 · 定量生物学 2020-04-08 Léo Bouscarrat , Antoine Bonnefoy , Cécile Capponi , Carlos Ramisch

As data structures and mathematical objects used for complex systems modeling, hypergraphs sit nicely poised between on the one hand the world of network models, and on the other that of higher-order mathematical abstractions from algebra,…

We present WikiReading, a large-scale natural language understanding task and publicly-available dataset with 18 million instances. The task is to predict textual values from the structured knowledge base Wikidata by reading the text of the…

Traditional machine learning (ML) algorithms, such as multiple regression, require human analysts to make decisions on how to treat the data. These decisions can make the model building process subjective and difficult to replicate for…

机器学习 · 计算机科学 2022-01-31 William Franz Lamberti

Multimodal Entity Linking (MEL) which aims at linking mentions with multimodal contexts to the referent entities from a knowledge base (e.g., Wikipedia), is an essential task for many multimodal applications. Although much attention has…

计算与语言 · 计算机科学 2022-04-14 Xuwu Wang , Junfeng Tian , Min Gui , Zhixu Li , Rui Wang , Ming Yan , Lihan Chen , Yanghua Xiao

This study introduces a novel approach for inferring social network structures using Aggregate Relational Data (ARD), addressing the challenge of limited detailed network data availability. By integrating ARD with variational approximation…

计量经济学 · 经济学 2025-09-04 Xunkang Tian

Even though modern service-oriented and data-oriented architectures promise to deliver loosely coupled control systems, they are inherently brittle as they commonly depend on a priori agreed interfaces and data models. At the same time, the…

天体物理仪器与方法 · 物理学 2013-10-22 Wim Pessemier , Gert Raskin , Hans Van Winckel , Geert Deconinck , Philippe Saey

Large Language Models (LLMs) exhibit inequalities with respect to various cultural contexts. Most prominent open-weights models are trained on Global North data and show prejudicial behavior towards other cultures. Moreover, there is a…

Ontologies and automated reasoning are the building blocks of the Semantic Web initiative. Derivation rules can be included in an ontology to define derived concepts, based on base concepts. For example, rules allow to define the extension…

人工智能 · 计算机科学 2011-11-02 Anastasia Analyti , Grigoris Antoniou , Carlos Viegas Damásio , Gerd Wagner

This paper gives two new categorical characterisations of lenses: one as a coalgebra of the store comonad, and the other as a monoidal natural transformation on a category of a certain class of coalgebras. The store comonad of the first…

编程语言 · 计算机科学 2011-07-12 Russell O'Connor

We present a memory-augmented approach to condition an autoregressive language model on a knowledge graph. We represent the graph as a collection of relation triples and retrieve relevant relations for a given context to improve text…

计算与语言 · 计算机科学 2022-01-25 Qi Liu , Dani Yogatama , Phil Blunsom

Wikidata, like Wikipedia, is a knowledge base that anyone can edit. This open collaboration model is powerful in that it reduces barriers to participation and allows a large number of people to contribute. However, it exposes the knowledge…

信息检索 · 计算机科学 2017-03-14 Amir Sarabadani , Aaron Halfaker , Dario Taraborelli

Developing the capacity to effectively search for requisite datasets is an urgent requirement to assist data users in identifying relevant datasets considering the very limited available metadata. For this challenge, the utilization of…

信息检索 · 计算机科学 2024-10-08 Teruaki Hayashi , Hiroki Sakaji , Jiayi Dai , Randy Goebel

To enable Large Language Models (LLMs) to function as conscious agents with generalizable reasoning capabilities, it is crucial that they possess the reasoning ability to comprehend situational changes (transitions) in distribution…

计算与语言 · 计算机科学 2025-05-22 Weiqi Wang , Yangqiu Song