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This paper aims to address the challenge of data generation beyond the training data and proposes a framework for Structural Extrapolated Data GEneration (SEDGE) based on suitable assumptions on the underlying data-generating process. We…

Machine Learning · Computer Science 2026-05-15 Kun Zhang , Jiaqi Sun , Yiqing Li , Ignavier Ng , Namrata Deka , Shaoan Xie

Reasoning is a distinctive human capacity, enabling us to address complex problems by breaking them down into a series of manageable cognitive steps. Yet, complex logical reasoning is still cumbersome for language models. Based on the dual…

Computation and Language · Computer Science 2023-11-14 Junbing Yan , Chengyu Wang , Taolin Zhang , Xiaofeng He , Jun Huang , Wei Zhang

We propose methods for density estimation and data synthesis using a novel form of unsupervised random forests. Inspired by generative adversarial networks, we implement a recursive procedure in which trees gradually learn structural…

Machine Learning · Statistics 2023-03-14 David S. Watson , Kristin Blesch , Jan Kapar , Marvin N. Wright

The aim of knowledge base completion is to predict unseen facts from existing facts in knowledge bases. In this work, we introduce the first approach for transfer of knowledge from one collection of facts to another without the need for…

Computation and Language · Computer Science 2021-08-31 Vid Kocijan , Thomas Lukasiewicz

Generating high-quality MCQs, especially those targeting diverse cognitive levels and incorporating common misconceptions into distractor design, is time-consuming and expertise-intensive, making manual creation impractical at scale.…

Computation and Language · Computer Science 2025-11-07 Nicy Scaria , Silvester John Joseph Kennedy , Diksha Seth , Ananya Thakur , Deepak Subramani

Earth science datasets are growing rapidly in both volume and structural complexity. They increasingly contain richly labelled data with heterogeneous metadata and complex internal constraints that impose dependencies between variables and…

Databases · Computer Science 2026-03-12 Mathilde Leuridan , James Hawkes , Tiago Quintino , Martin Schultz

This paper proposes a knowledge-based legal document assembly method that uses a machine-readable representation of knowledge of legal professionals. This knowledgebase has two components - the formal knowledge of legal norms represented as…

Software Engineering · Computer Science 2020-09-15 Marko Marković , Stevan Gostojić

The "basic level", according to experiments in cognitive psychology, is the level of abstraction in a hierarchy of concepts at which humans perform tasks quicker and with greater accuracy than at other levels. We argue that applications…

Computation and Language · Computer Science 2019-10-29 Laura Hollink , Aysenur Bilgin , Jacco van Ossenbruggen

Neural language models are a powerful tool to embed words into semantic vector spaces. However, learning such models generally relies on the availability of abundant and diverse training examples. In highly specialised domains this…

Computation and Language · Computer Science 2015-12-04 Stephanie L. Hyland , Theofanis Karaletsos , Gunnar Rätsch

Large Language Models (LLMs) are adept at generating responses based on information within their context. While this ability is useful for interacting with structured data like code files, another popular method, Retrieval-Augmented…

Computation and Language · Computer Science 2025-10-22 Mihir Gupte , Paolo Giusto , Ramesh S

This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic structures of semiring and semimodule. The core of our…

Databases · Computer Science 2012-02-01 Robert Fink , Larisa Han , Dan Olteanu

This paper evaluates whether training a decision tree based on concepts extracted from a concept-based explainer can increase interpretability for Convolutional Neural Networks (CNNs) models and boost the fidelity and performance of the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Gayda Mutahar , Tim Miller

Achieving knowledge sharing within an artificial swarm system could lead to significant development in autonomous multiagent and robotic systems research and realize collective intelligence. However, this is difficult to achieve since there…

Multiagent Systems · Computer Science 2022-11-09 Sanjay Sarma Oruganti Venkata , Ramviyas Parasuraman , Ramana Pidaparti

Deep neural networks have shown superior performance in many regimes to remember familiar patterns with large amounts of data. However, the standard supervised deep learning paradigm is still limited when facing the need to learn new…

Machine Learning · Computer Science 2018-11-16 Jing Shi , Jiaming Xu , Yiqun Yao , Bo Xu

New applications of data mining, such as in biology, bioinformatics, or sociology, are faced with large datasetsstructured as graphs. We introduce a novel class of tree-shapedpatterns called tree queries, and present algorithms for…

Databases · Computer Science 2010-08-17 Eveline Hoekx , Jan Van den Bussche

Many data are naturally modeled by an unobserved hierarchical structure. In this paper we propose a flexible nonparametric prior over unknown data hierarchies. The approach uses nested stick-breaking processes to allow for trees of…

Methodology · Statistics 2010-06-08 Ryan Prescott Adams , Zoubin Ghahramani , Michael I. Jordan

With the continuous development of NoSQL databases, more and more developers choose to use semi-structured data for development and data management, which puts forward requirements for schema management of semi-structured data stored in…

Databases · Computer Science 2021-10-19 Panpan Li , Yikun Gong , Chen Wang

Knowledge Organization Systems (e.g. taxonomies and ontologies) continue to contribute benefits in the design of information systems by providing a shared conceptual underpinning for developers, users, and automated systems. However, the…

Digital Libraries · Computer Science 2017-08-29 Michael Lauruhn , Paul Groth

We revisit constructions for distribution and synthesis of Zielonka's asynchronous automata in restricted settings. We show first a simple, quadratic, distribution construction for asynchronous automata, where the process architecture is…

Formal Languages and Automata Theory · Computer Science 2026-01-21 Mathieu Lehaut , Anca Muscholl , Nir Piterman

Random Forests and related tree-based methods are popular for supervised learning from table based data. Apart from their ease of parallelization, their classification performance is also superior. However, this performance, especially…

Machine Learning · Computer Science 2023-07-25 Tom Hanika , Johannes Hirth