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Information flow analysis has largely ignored the setting where the analyst has neither control over nor a complete model of the analyzed system. We formalize such limited information flow analyses and study an instance of it: detecting the…

Cryptography and Security · Computer Science 2014-05-13 Michael Carl Tschantz , Amit Datta , Anupam Datta , Jeannette M. Wing

Representing knowledge as high-dimensional vectors in a continuous semantic vector space can help overcome the brittleness and incompleteness of traditional knowledge bases. We present a method for performing deductive reasoning directly in…

Artificial Intelligence · Computer Science 2017-07-12 Douglas Summers-Stay

This article presents a concept model, and the associated tool to help advanced learners to find adapted bibliography. The purpose is the use of an IT representation as educational research software for newcomers in research. We use an…

Digital Libraries · Computer Science 2012-02-07 Gérald Kembellec , Imad Saleh , Catherine Sauvaget

Provenance is information recording the source, derivation, or history of some information. Provenance tracking has been studied in a variety of settings; however, although many design points have been explored, the mathematical or semantic…

Databases · Computer Science 2009-12-22 James Cheney , Amal Ahmed , Umut Acar

This paper provides an insight into the possibility of how to find ontologies most relevant to scientific texts using artificial neural networks. The basic idea of the presented approach is to select a representative paragraph from a source…

Neural and Evolutionary Computing · Computer Science 2023-09-19 Lukáš Korel , Alexander S. Behr , Norbert Kockmann , Martin Holeňa

Exploiting information induced from (query-specific) clustering of top-retrieved documents has long been proposed as a means for improving precision at the very top ranks of the returned results. We present a novel language model approach…

Information Retrieval · Computer Science 2014-01-17 Oren Kurland , Eyal Krikon

Academic Search is a search task aimed to manage and retrieve scientific documents like journal articles and conference papers. Personalization in this context meets individual researchers' needs by leveraging, through user profiles, the…

Information Retrieval · Computer Science 2025-07-21 Pranav Kasela , Gabriella Pasi , Raffaele Perego

A classical vector retrieval problem typically considers a \emph{single} query embedding vector as input and retrieves the most similar embedding vectors from a vector database. However, complex reasoning and retrieval tasks frequently…

Machine Learning · Computer Science 2026-05-05 Allassan Tchangmena A Nken , Baimam Boukar Jean Jacques , Miriam Rateike , Celia Cintas , Skyler Speakman

We introduce an unsupervised discriminative model for the task of retrieving experts in online document collections. We exclusively employ textual evidence and avoid explicit feature engineering by learning distributed word representations…

Information Retrieval · Computer Science 2017-09-19 Christophe Van Gysel , Maarten de Rijke , Marcel Worring

Opinion mining refers to the use of natural language processing, text analysis and computational linguistics to identify and extract subjective information in textual material. Opinion mining, also known as sentiment analysis, has received…

Information Retrieval · Computer Science 2017-12-27 Kasturi Dewi Varathan , Anastasia Giachanou , Fabio Crestani

Vectors are universal mathematical objects that can represent text, images, speech, or a mix of these data modalities. That happens regardless of whether data is represented by hand-crafted features or learnt embeddings. Collect a large…

Data Structures and Algorithms · Computer Science 2024-04-02 Sebastian Bruch

We propose the Onto2Vec method, an approach to learn feature vectors for biological entities based on their annotations to biomedical ontologies. Our method can be applied to a wide range of bioinformatics research problems such as…

Quantitative Methods · Quantitative Biology 2018-07-13 Fatima Zohra Smaili , Xin Gao , Robert Hoehndorf

In this paper we present a profile-based approach to information filtering by an analysis of the content of text documents. The Wikipedia index database is created and used to automatically generate the user profile from the user document…

Information Retrieval · Computer Science 2008-05-08 A. V. Smirnov , A. A. Krizhanovsky

Arguments are a fundamental aspect of human reasoning, in which claims are supported, challenged, and weighed against one another. We present an end-to-end large language model (LLM)-based system for reconstructing arguments from natural…

Computation and Language · Computer Science 2026-05-20 Paulo Pirozelli , Victor Hugo Nascimento Rocha , Fabio G. Cozman , Douglas Aldred

Nowadays, a huge amount of knowledge has been amassed in digital agriculture. This knowledge and know-how information are collected from various sources, hence the question is how to organise this knowledge so that it can be efficiently…

Databases · Computer Science 2020-11-24 Quoc Hung Ngo , Tahar Kechadi , Nhien-An Le-Khac

The interaction between business models is used in consumer centric manner instead of using a producer centric approach for customizing the business process in cloud environment. The knowledge based human semantic web is used for…

Artificial Intelligence · Computer Science 2014-01-24 V. Karthikeyan , V. J. Vijayalakshmi , P. Jeyakumar

Through the Internet and the World-Wide Web, a vast number of information sources has become available, which offer information on various subjects by different providers, often in heterogeneous formats. This calls for tools and methods for…

Artificial Intelligence · Computer Science 2007-05-23 Thomas Eiter , Michael Fink , Hans Tompits

This paper is about a better understanding on the structure and dynamics of science and the usage of these insights for compensating the typical problems that arises in metadata-driven Digital Libraries. Three science model driven retrieval…

Information Retrieval · Computer Science 2011-01-11 Philipp Mayr , Philipp Schaer , Peter Mutschke

Knowledge base is the way to store structured and unstructured data throughout the web. Since the size of the web is increasing rapidly, there are huge needs to structure the knowledge in a fully automated way. However fully-automated…

Artificial Intelligence · Computer Science 2016-04-05 Sundong Kim

Ondex is a data integration and visualization platform developed to support Systems Biology Research. At its core is a data model based on two main principles: first, all information can be represented as a graph and, second, all elements…

Artificial Intelligence · Computer Science 2010-12-09 Catherine Canevet , Artem Lysenko , Andrea Splendiani , Matthew Pocock , Christopher Rawlings
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