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Knowledge mining is the process of deriving new and useful knowledge from vast volumes of data and background knowledge. Modern healthcare organizations regularly generate huge amount of electronic data stored in the databases. These data…

Logic in Computer Science · Computer Science 2011-07-26 Nittaya Kerdprasop , Kittisak Kerdprasop

In this paper, we investigate the constraint typology of mixed-integer linear programming MILP formulations. MILP is a commonly used mathematical programming technique for modelling and solving real-life scheduling, routing, planning,…

Artificial Intelligence · Computer Science 2021-03-02 Vicky Mak-Hau , John Yearwood , William Moran

A broad variety of knowledge-based applications such as recommender, expert, planning or configuration systems usually operate on the basis of knowledge represented by means of some logical language. Such a logical knowledge base (KB)…

Artificial Intelligence · Computer Science 2016-09-22 Patrick Rodler

A novel efficient method for computing the Knowledge-Gradient policy for Continuous Parameters (KGCP) for deterministic optimization is derived. The differences with Expected Improvement (EI), a popular choice for Bayesian optimization of…

Computational Engineering, Finance, and Science · Computer Science 2016-08-17 Joachim van der Herten , Ivo Couckuyt , Dirk Deschrijver , Tom Dhaene

Knowledge Bases (KBs) provide structured representation of the real-world in the form of extensive collections of facts about real-world entities, their properties and relationships. They are ubiquitous in large-scale intelligent systems…

Artificial Intelligence · Computer Science 2022-11-03 Suhas Shrinivasan , Simon Razniewski

The generation of comprehensible explanations is an essential feature of modern artificial intelligence systems. In this work, we consider probabilistic logic programming, an extension of logic programming which can be useful to model…

Artificial Intelligence · Computer Science 2023-08-17 Germán Vidal

Knowledge bases contribute to many web search and mining tasks, yet they are often incomplete. To add missing facts to a given knowledge base, various embedding models have been proposed in the recent literature. Perhaps surprisingly,…

Artificial Intelligence · Computer Science 2019-02-04 Yanjie Wang , Daniel Ruffinelli , Rainer Gemulla , Samuel Broscheit , Christian Meilicke

Knowledge-based entity prediction (KEP) is a novel task that aims to improve machine perception in autonomous systems. KEP leverages relational knowledge from heterogeneous sources in predicting potentially unrecognized entities. In this…

Artificial Intelligence · Computer Science 2022-06-10 Ruwan Wickramarachchi , Cory Henson , Amit Sheth

Reasoning over paths in large scale knowledge graphs is an important problem for many applications. In this paper we discuss a simple approach to automatically build and rank paths between a source and target entity pair with learned…

Artificial Intelligence · Computer Science 2019-11-04 Saatviga Sudhahar , Ian Roberts , Andrea Pierleoni

Knowledge Representation (KR) is traditionally based on the logic of facts, expressed in boolean logic. However, facts about an agent can also be seen as a set of accomplished tasks by the agent. This paper proposes a new approach to KR:…

Artificial Intelligence · Computer Science 2013-06-11 Keehang Kwon , Mi-Young Park

Question Answering (QA) over Knowledge Base (KB) aims to automatically answer natural language questions via well-structured relation information between entities stored in knowledge bases. In order to make KBQA more applicable in actual…

Computation and Language · Computer Science 2020-07-28 Bin Fu , Yunqi Qiu , Chengguang Tang , Yang Li , Haiyang Yu , Jian Sun

Since Artificial Intelligence (AI) software uses techniques like deep lookahead search and stochastic optimization of huge neural networks to fit mammoth datasets, it often results in complex behavior that is difficult for people to…

Artificial Intelligence · Computer Science 2018-10-16 Daniel S. Weld , Gagan Bansal

Knowledge management (KM) involves collecting, organizing, storing, and disseminating information to improve decision-making, innovation, and performance. Implementing KM at scale has become essential for organizations to effectively…

Knowledge base (KB) is an important aspect in artificial intelligence. One significant challenge faced by KB construction is that it contains many noises, which prevents its effective usage. Even though some KB cleansing algorithms have…

Artificial Intelligence · Computer Science 2018-08-07 Sifan Liu , Hongzhi Wang

Intelligent systems designed using machine learning algorithms require a large number of labeled data. Background knowledge provides complementary, real world factual information that can augment the limited labeled data to train a machine…

Artificial Intelligence · Computer Science 2020-05-12 Shreyansh Bhatt , Amit Sheth , Valerie Shalin , Jinjin Zhao

We propose a perspective on knowledge compilation which calls for analyzing different compilation approaches according to two key dimensions: the succinctness of the target compilation language, and the class of queries and transformations…

Artificial Intelligence · Computer Science 2011-06-10 A. Darwiche , P. Marquis

This paper presents an ontology-based approach for the design of a collaborative business process model (CBP). This CBP is considered as a specification of needs in order to build a collaboration information system (CIS) for a network of…

Software Engineering · Computer Science 2015-10-01 Frederick Benaben , Vatcharaphun Rajsiri , Jean-Pierre Lorré , Hervé Pingaud

Question answering over knowledge bases (KBQA) has become a popular approach to help users extract information from knowledge bases. Although several systems exist, choosing one suitable for a particular application scenario is difficult.…

Computation and Language · Computer Science 2022-11-16 Khiem Vinh Tran , Hao Phu Phan , Khang Nguyen Duc Quach , Ngan Luu-Thuy Nguyen , Jun Jo , Thanh Tam Nguyen

During the early stages of developing Case-Based Reasoning (CBR) systems the definition of similarity measures is challenging since this task requires transferring implicit knowledge of domain experts into knowledge representations. While…

Human-Computer Interaction · Computer Science 2021-06-10 Kerstin Bach , Paul Jarle Mork

In recent years, Knowledge Management Systems (KMS) have drawn remarkable attention. However, there is no common understanding of how a knowledge management system should look like or where the corresponding research should be directed at.…

Other Computer Science · Computer Science 2020-04-22 Omar S. Al-Kadi