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In this paper, we present an innovative iterative approach to rule learning specifically designed for (but not limited to) text-based data. Our method focuses on progressively expanding the vocabulary utilized in each iteration resulting in…

Computation and Language · Computer Science 2024-11-04 Albert Nössig , Tobias Hell , Georg Moser

We address the problem of answering queries over a distributed information system, storing objects indexed by terms organized in a taxonomy. The taxonomy consists of subsumption relationships between negation-free DNF formulas on terms and…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-09-13 Carlo Meghini , Yannis Tzitzikas , Veronica Coltella , Anastasia Analyti

Algorithms of inference in a computer system oriented to input and semantic processing of text information are presented. Such inference is necessary for logical questions when the direct comparison of objects from a question and database…

Computation and Language · Computer Science 2012-02-02 Yuriy Ostapov

Crime linkage is the process of analyzing criminal behavior data to determine whether a pair or group of crime cases are connected or belong to a series of offenses. This domain has been extensively studied by researchers in sociology,…

Machine Learning · Computer Science 2024-11-05 Vinicius Lima , Umit Karabiyik

In this paper, we propose a methodology for the analysis of questionnaire data along with its application on discovering insights from investor data motivated by a day trading competition. The questionnaire includes categorical questions,…

Human-Computer Interaction · Computer Science 2024-02-13 Carlos Henrique Q. Forster , Paulo André Lima de Castro , Andrei Ramalho

In this document I present an approach to answer validation and reranking for question answering (QA) systems. A cased-based reasoning (CBR) system judges answer candidates for questions from annotated answer candidates for earlier…

Artificial Intelligence · Computer Science 2015-03-11 Karl-Heinz Weis

An economic model of crime is used to explore the consistent estimation of a simultaneous linear equation without recourse to instrumental variables. A maximum-likelihood procedure (NISE) is introduced, and its results are compared to…

General Economics · Economics 2020-03-19 Eric Blankmeyer

Recent studies on knowledge graph embedding focus on mapping entities and relations into low-dimensional vector spaces. While most existing models primarily exploit structural information, knowledge graphs also contain rich contextual and…

Computation and Language · Computer Science 2025-09-03 Qisong Li , Ji Lin , Sijia Wei , Neng Liu

Evidence plays a crucial role in automated fact-checking. When verifying real-world claims, existing fact-checking systems either assume the evidence sentences are given or use the search snippets returned by the search engine. Such methods…

Computation and Language · Computer Science 2024-01-30 Xuming Hu , Junzhe Chen , Zhijiang Guo , Philip S. Yu

Recursive graph queries are increasingly popular for extracting information from interconnected data found in various domains such as social networks, life sciences, and business analytics. Graph data often come with schema information that…

Databases · Computer Science 2025-02-13 Chandan Sharma , Pierre Genevès , Nils Gesbert , Nabil Layaïda

We present a Temporal Rule-Anchored Chain-of-Evidence (TRACE) on knowledge graphs for interpretable stock movement prediction that unifies symbolic relational priors, dynamic graph exploration, and LLM-guided decision making in a single…

Computational Engineering, Finance, and Science · Computer Science 2026-03-16 Qianggang Ding , Haochen Shi , Luis Castejón Lozano , Miguel Conner , Juan Abia , Luis Gallego-Ledesma , Joshua Fellowes , Gerard Conangla Planes , Adam Elwood , Bang Liu

While deep learning approaches to information extraction have had many successes, they can be difficult to augment or maintain as needs shift. Rule-based methods, on the other hand, can be more easily modified. However, crafting rules…

Computation and Language · Computer Science 2022-02-02 Robert Vacareanu , Marco A. Valenzuela-Escarcega , George C. G. Barbosa , Rebecca Sharp , Mihai Surdeanu

Recent years have witnessed impressive advances in challenging multi-hop QA tasks. However, these QA models may fail when faced with some disturbance in the input text and their interpretability for conducting multi-hop reasoning remains…

Computation and Language · Computer Science 2021-12-20 Jiayu Ding , Siyuan Wang , Qin Chen , Zhongyu Wei

There has been intensive research regarding machine learning models for predicting bankruptcy in recent years. However, the lack of interpretability limits their growth and practical implementation. This study proposes a data-driven…

Risk Management · Quantitative Finance 2022-11-03 Wei Li , Wolfgang Karl Härdle , Stefan Lessmann

The rapid development of artificial intelligence methods contributes to their wide applications for forecasting various financial risks in recent years. This study introduces a novel explainable case-based reasoning (CBR) approach without a…

Computational Finance · Quantitative Finance 2021-07-20 Wei Li , Florentina Paraschiv , Georgios Sermpinis

Discovering precise and interpretable rules from knowledge graphs is regarded as an essential challenge, which can improve the performances of many downstream tasks and even provide new ways to approach some Natural Language Processing…

Computation and Language · Computer Science 2022-06-14 Canlin Zhang , Chun-Nan Hsu , Yannis Katsis , Ho-Cheol Kim , Yoshiki Vazquez-Baeza

We present IBR, an Iterative Backward Reasoning model to solve the proof generation tasks on rule-based Question Answering (QA), where models are required to reason over a series of textual rules and facts to find out the related proof path…

Computation and Language · Computer Science 2022-05-25 Hanhao Qu , Yu Cao , Jun Gao , Liang Ding , Ruifeng Xu

In this paper, we consider existential rules, an expressive formalism well suited to the representation of ontological knowledge and data-to-ontology mappings in the context of ontology-based data integration. The chase is a fundamental…

Artificial Intelligence · Computer Science 2021-07-14 Maxime Buron , Marie-Laure Mugnier , Michaël Thomazo

Existing conversational models are handled by a database(DB) and API based systems. However, very often users' questions require information that cannot be handled by such systems. Nonetheless, answers to these questions are available in…

Computation and Language · Computer Science 2023-04-03 Raja Kumar

This paper focuses on Crime zone Identification. Then, it clarifies how we conducted the Belief Rule Base algorithm to produce interesting frequent patterns for crime hotspots. The paper also shows how we used an expert system to forecast…

Artificial Intelligence · Computer Science 2020-05-12 Abhijit Pathak , Abrar Hossain Tasin