Query Processing In Incomplete Databases

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Query Processing over Incomplete Databases

Author : Yunjun Gao
Publisher : Springer Nature
ISBN 13 : 303101863X
Total Pages : 106 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Query Processing over Incomplete Databases by : Yunjun Gao

Download or read book Query Processing over Incomplete Databases written by Yunjun Gao and published by Springer Nature. This book was released on 2022-06-01 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Incomplete data is part of life and almost all areas of scientific studies. Users tend to skip certain fields when they fill out online forms; participants choose to ignore sensitive questions on surveys; sensors fail, resulting in the loss of certain readings; publicly viewable satellite map services have missing data in many mobile applications; and in privacy-preserving applications, the data is incomplete deliberately in order to preserve the sensitivity of some attribute values. Query processing is a fundamental problem in computer science, and is useful in a variety of applications. In this book, we mostly focus on the query processing over incomplete databases, which involves finding a set of qualified objects from a specified incomplete dataset in order to support a wide spectrum of real-life applications. We first elaborate the three general kinds of methods of handling incomplete data, including (i) discarding the data with missing values, (ii) imputation for the missing values, and (iii) just depending on the observed data values. For the third method type, we introduce the semantics of k-nearest neighbor (kNN) search, skyline query, and top-k dominating query on incomplete data, respectively. In terms of the three representative queries over incomplete data, we investigate some advanced techniques to process incomplete data queries, including indexing, pruning as well as crowdsourcing techniques.

Proceedings of the 2nd International Conference on Big Data, IoT and Machine Learning

Author : Mohammad Shamsul Arefin
Publisher : Springer Nature
ISBN 13 : 981998937X
Total Pages : 1053 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Proceedings of the 2nd International Conference on Big Data, IoT and Machine Learning by : Mohammad Shamsul Arefin

Download or read book Proceedings of the 2nd International Conference on Big Data, IoT and Machine Learning written by Mohammad Shamsul Arefin and published by Springer Nature. This book was released on with total page 1053 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advanced Database Systems For Integration Of Media And User Environments '98: Advanced Database Research

Author : Yahiko Kambayashi
Publisher : World Scientific
ISBN 13 : 9814545031
Total Pages : 366 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Advanced Database Systems For Integration Of Media And User Environments '98: Advanced Database Research by : Yahiko Kambayashi

Download or read book Advanced Database Systems For Integration Of Media And User Environments '98: Advanced Database Research written by Yahiko Kambayashi and published by World Scientific. This book was released on 1998-03-31 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a progress report on the project Research and Development of Advanced Database Systems for Integration of Media and User Environments, supported by the Ministry of Education, Science, Sports and Culture of Japan. It investigates research on new database systems due to the recent development of network technology; a clearer picture of integration by database technology is drawn as a result.

Digital Media Information Base: Proceedings Of The International Symposium

Author : Masatoshi Yoshikawa
Publisher : World Scientific
ISBN 13 : 9814545023
Total Pages : 338 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Digital Media Information Base: Proceedings Of The International Symposium by : Masatoshi Yoshikawa

Download or read book Digital Media Information Base: Proceedings Of The International Symposium written by Masatoshi Yoshikawa and published by World Scientific. This book was released on 1998-03-12 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the rapid growth of computer and communication technologies, the creation, modification and distribution of digital multimedia information have become easier than ever. Such multimedia information includes still images, video, audio, texts and artifacts in virtual space. The efficient storage of valuable information and rapid access to it is crucial to all modern organizations.This proceedings volume consists of papers by researchers and academicians which explore the various aspects of the digital media information base. A special emphasis is placed on new database system technologies.

Database Systems for Advanced Applications

Author : Hwanjo Yu
Publisher : Springer
ISBN 13 : 364229023X
Total Pages : 357 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Database Systems for Advanced Applications by : Hwanjo Yu

Download or read book Database Systems for Advanced Applications written by Hwanjo Yu and published by Springer. This book was released on 2012-04-05 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the workshop proceedings of the 17th International Conference on Database Systems for Advanced Applications, DASFAA 2012, held in Busan, South Korea, in April 2012. The volume contains five workshops, each focusing on specific area that contributes to the main themes of the DASFAA conference: The Second International Workshop on Flash-based Database Systems (FlashDB 2012), the First International Workshop on Information Technologies for Maritime and Logistics (ITEMS 2012), the Third International Workshop on Social Networks and Social Media Mining on the Web (SNSMW 2012), the Second International Workshop on Spatial Information Modeling, Management and Mining (SIM3 2012), and the Fifth International Workshop on Data Quality in Integration Systems (DQIS 2012).

Proceedings of the International Conference on Big Data, IoT, and Machine Learning

Author : Mohammad Shamsul Arefin
Publisher : Springer Nature
ISBN 13 : 9811666369
Total Pages : 784 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Proceedings of the International Conference on Big Data, IoT, and Machine Learning by : Mohammad Shamsul Arefin

Download or read book Proceedings of the International Conference on Big Data, IoT, and Machine Learning written by Mohammad Shamsul Arefin and published by Springer Nature. This book was released on 2021-12-03 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers a collection of high-quality peer-reviewed research papers presented at the International Conference on Big Data, IoT and Machine Learning (BIM 2021), held in Cox’s Bazar, Bangladesh, during 23–25 September 2021. The book covers research papers in the field of big data, IoT and machine learning. The book will be helpful for active researchers and practitioners in the field.

Uncertainty Management in Information Systems

Author : Amihai Motro
Publisher : Springer Science & Business Media
ISBN 13 : 1461562457
Total Pages : 473 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Uncertainty Management in Information Systems by : Amihai Motro

Download or read book Uncertainty Management in Information Systems written by Amihai Motro and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: As its title suggests, "Uncertainty Management in Information Systems" is a book about how information systems can be made to manage information permeated with uncertainty. This subject is at the intersection of two areas of knowledge: information systems is an area that concentrates on the design of practical systems that can store and retrieve information; uncertainty modeling is an area in artificial intelligence concerned with accurate representation of uncertain information and with inference and decision-making under conditions infused with uncertainty. New applications of information systems require stronger capabilities in the area of uncertainty management. Our hope is that lasting interaction between these two areas would facilitate a new generation of information systems that will be capable of servicing these applications. Although there are researchers in information systems who have addressed themselves to issues of uncertainty, as well as researchers in uncertainty modeling who have considered the pragmatic demands and constraints of information systems, to a large extent there has been only limited interaction between these two areas. As the subtitle, "From Needs to Solutions," indicates, this book presents view points of information systems experts on the needs that challenge the uncer tainty capabilities of present information systems, and it provides a forum to researchers in uncertainty modeling to describe models and systems that can address these needs.

Incomplete Data and Data Dependencies in Relational Databases

Author : Sergio Greco
Publisher : Springer Nature
ISBN 13 : 3031018931
Total Pages : 111 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Incomplete Data and Data Dependencies in Relational Databases by : Sergio Greco

Download or read book Incomplete Data and Data Dependencies in Relational Databases written by Sergio Greco and published by Springer Nature. This book was released on 2022-06-01 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chase has long been used as a central tool to analyze dependencies and their effect on queries. It has been applied to different relevant problems in database theory such as query optimization, query containment and equivalence, dependency implication, and database schema design. Recent years have seen a renewed interest in the chase as an important tool in several database applications, such as data exchange and integration, query answering in incomplete data, and many others. It is well known that the chase algorithm might be non-terminating and thus, in order for it to find practical applicability, it is crucial to identify cases where its termination is guaranteed. Another important aspect to consider when dealing with the chase is that it can introduce null values into the database, thereby leading to incomplete data. Thus, in several scenarios where the chase is used the problem of dealing with data dependencies and incomplete data arises. This book discusses fundamental issues concerning data dependencies and incomplete data with a particular focus on the chase and its applications in different database areas. We report recent results about the crucial issue of identifying conditions that guarantee the chase termination. Different database applications where the chase is a central tool are discussed with particular attention devoted to query answering in the presence of data dependencies and database schema design. Table of Contents: Introduction / Relational Databases / Incomplete Databases / The Chase Algorithm / Chase Termination / Data Dependencies and Normal Forms / Universal Repairs / Chase and Database Applications

Logics for Databases and Information Systems

Author : Jan Chomicki
Publisher : Springer Science & Business Media
ISBN 13 : 1461556430
Total Pages : 442 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Logics for Databases and Information Systems by : Jan Chomicki

Download or read book Logics for Databases and Information Systems written by Jan Chomicki and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Time is ubiquitous in information systems. Almost every enterprise faces the problem of its data becoming out of date. However, such data is often valu able, so it should be archived and some means to access it should be provided. Also, some data may be inherently historical, e.g., medical, cadastral, or ju dicial records. Temporal databases provide a uniform and systematic way of dealing with historical data. Many languages have been proposed for tem poral databases, among others temporal logic. Temporal logic combines ab stract, formal semantics with the amenability to efficient implementation. This chapter shows how temporal logic can be used in temporal database applica tions. Rather than presenting new results, we report on recent developments and survey the field in a systematic way using a unified formal framework [GHR94; Ch094]. The handbook [GHR94] is a comprehensive reference on mathematical foundations of temporal logic. In this chapter we study how temporal logic is used as a query and integrity constraint language. Consequently, model-theoretic notions, particularly for mula satisfaction, are of primary interest. Axiomatic systems and proof meth ods for temporal logic [GHR94] have found so far relatively few applications in the context of information systems. Moreover, one needs to bear in mind that for the standard linearly-ordered time domains temporal logic is not re cursively axiomatizable [GHR94]' so recursive axiomatizations are by necessity incomplete.

Knowledge Graphs and Big Data Processing

Author : Valentina Janev
Publisher : Springer Nature
ISBN 13 : 3030531996
Total Pages : 212 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Knowledge Graphs and Big Data Processing by : Valentina Janev

Download or read book Knowledge Graphs and Big Data Processing written by Valentina Janev and published by Springer Nature. This book was released on 2020-07-15 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book is part of the LAMBDA Project (Learning, Applying, Multiplying Big Data Analytics), funded by the European Union, GA No. 809965. Data Analytics involves applying algorithmic processes to derive insights. Nowadays it is used in many industries to allow organizations and companies to make better decisions as well as to verify or disprove existing theories or models. The term data analytics is often used interchangeably with intelligence, statistics, reasoning, data mining, knowledge discovery, and others. The goal of this book is to introduce some of the definitions, methods, tools, frameworks, and solutions for big data processing, starting from the process of information extraction and knowledge representation, via knowledge processing and analytics to visualization, sense-making, and practical applications. Each chapter in this book addresses some pertinent aspect of the data processing chain, with a specific focus on understanding Enterprise Knowledge Graphs, Semantic Big Data Architectures, and Smart Data Analytics solutions. This book is addressed to graduate students from technical disciplines, to professional audiences following continuous education short courses, and to researchers from diverse areas following self-study courses. Basic skills in computer science, mathematics, and statistics are required.

Database Systems for Advanced Applications

Author : Weiyi Meng
Publisher : Springer
ISBN 13 : 3642374875
Total Pages : 509 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Database Systems for Advanced Applications by : Weiyi Meng

Download or read book Database Systems for Advanced Applications written by Weiyi Meng and published by Springer. This book was released on 2013-04-17 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two volume set LNCS 7825 and LNCS 7826 constitutes the refereed proceedings of the 18th International Conference on Database Systems for Advanced Applications, DASFAA 2013, held in Wuhan, China, in April 2013. The 51 revised full papers and 10 short papers presented together with 2 invited keynote talks, 1 invited paper, 3 industrial papers, 9 demo presentations, 4 tutorials and 1 panel paper were carefully reviewed and selected from a total of 227 submissions. The topics covered in part 1 are social networks; query processing; nearest neighbor search; index; query analysis; XML data management; privacy protection; and uncertain data management; and in part 2: graph data management; physical design; knowledge management; temporal data management; social networks; query processing; data mining; applications; and database applications.

ICDT'86

Author : Giorgio Ausiello
Publisher : Springer Science & Business Media
ISBN 13 : 9783540171874
Total Pages : 456 pages
Book Rating : 4.1/5 (718 download)

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Book Synopsis ICDT'86 by : Giorgio Ausiello

Download or read book ICDT'86 written by Giorgio Ausiello and published by Springer Science & Business Media. This book was released on 1986-12 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Genetic and Evolutionary Computing

Author : Shu-Chuan Chu
Publisher : Springer Nature
ISBN 13 : 9811684308
Total Pages : 736 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Genetic and Evolutionary Computing by : Shu-Chuan Chu

Download or read book Genetic and Evolutionary Computing written by Shu-Chuan Chu and published by Springer Nature. This book was released on 2022-01-04 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains selected papers presented at ICGEC 2021, the 14th International Conference on Genetic and Evolutionary Computing, held from October 21-23, 2021 in Jilin City, China. The conference was technically co-sponsored by Springer, Northeast Electric Power University Fujian University of Technology, Shandong University of Science and Technology, and Western Norway University of Applied Sciences. It is intended as an international forum for the researchers and professionals in all areas of genetic and evolutionary computing. And the readers may learn the up-to-date techniques of the mentioned topics, including swarm intelligence, artificial intelligence, information hiding and data mining techniques, which can help them to bring new ideas or apply the designed approaches from the collected papers to their professional jobs.

Formal Methods in Databases and Software Engineering

Author : V.S. Alagar
Publisher : Springer Science & Business Media
ISBN 13 : 1447132130
Total Pages : 201 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Formal Methods in Databases and Software Engineering by : V.S. Alagar

Download or read book Formal Methods in Databases and Software Engineering written by V.S. Alagar and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Logic and object-orientation have come to be recognized as being among the most powerful paradigms for modeling information systems. The term "information systems" is used here in a very general context to denote database systems, software development systems, knowledge base systems, proof support systems, distributed systems and reactive systems. One of the most vigorously researched topics common to all information systems is "formal modeling". An elegant high-level abstraction applicable to both application domain and system domain concepts will always lead to a system design from "outside in"; that is, the aggregation of ideas is around real-life objects about which the system is to be designed. Formal methods \yhen applied with this view in mind, especially during early stages of system development, can lead to a formal reasoning on the intended properties, thus revealing system flaws that might otherwise be discovered much later. Logic in different styles and semantics is being used to model databases and their transactions; it is also used to specify concurrent, distributed, real-time, and reactive systems. ,The notion of "object" is central to the modeling of object oriented databases, as well as object-oriented design and programs in software engineering. Both database and software engineering communities have undoubtedly made important contributions to formalisms based on logic and objects. It is worthwhile bringing together the ideas developed by the two communities in isolation, and focusing on integrating their common strengths.

Innovative Data Communication Technologies and Application

Author : Jennifer S. Raj
Publisher : Springer Nature
ISBN 13 : 9811596514
Total Pages : 872 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Innovative Data Communication Technologies and Application by : Jennifer S. Raj

Download or read book Innovative Data Communication Technologies and Application written by Jennifer S. Raj and published by Springer Nature. This book was released on 2021-02-02 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest research in the fields of computational intelligence, ubiquitous computing models, communication intelligence, communication security, machine learning, informatics, mobile computing, cloud computing and big data analytics. The best selected papers, presented at the International Conference on Innovative Data Communication Technologies and Application (ICIDCA 2020), are included in the book. The book focuses on the theory, design, analysis, implementation and applications of distributed systems and networks.

Readings in Artificial Intelligence and Databases

Author : John Mylopoulos
Publisher : Morgan Kaufmann
ISBN 13 : 0080886620
Total Pages : 697 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis Readings in Artificial Intelligence and Databases by : John Mylopoulos

Download or read book Readings in Artificial Intelligence and Databases written by John Mylopoulos and published by Morgan Kaufmann. This book was released on 2014-06-28 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of database and AI technologies is crucial to such applications as data mining, active databases, and knowledge-based expert systems. This volume collects the primary readings on the interactions, actual and potential, between these two fields. The editors have chosen articles to balance significant early research and the best and most comprehensive articles from the 1980s. An in-depth introduction discusses basic research motivations, giving a survey of the history, concepts, and terminology of the interaction. Major themes, approaches and results, open issues and future directions are all discussed, including the results of a major survey conducted by the editors of current work in industry and research labs. Thirteen sections follow, each with a short introduction. Topics examined include semantic data models with emphasis on conceptual modeling techniques for databases and information systems and the integration of data model concepts in high-level data languages, definition and maintenance of integrity constraints in databases and knowledge bases, natural language front ends, object-oriented database management systems, implementation issues such as concurrency control and error recovery, and representation of time and knowledge incompleteness from the viewpoints of databases, logic programming, and AI.

Advances in Database Technology - EDBT '90

Author : Francois Bancilhon
Publisher : Springer Science & Business Media
ISBN 13 : 9783540522911
Total Pages : 466 pages
Book Rating : 4.5/5 (229 download)

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Book Synopsis Advances in Database Technology - EDBT '90 by : Francois Bancilhon

Download or read book Advances in Database Technology - EDBT '90 written by Francois Bancilhon and published by Springer Science & Business Media. This book was released on 1990-02-21 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Database technology is currently being pushed by the needs of new applications and pulled by the oppor- tunities of novel developments in hardware and systems architecture. The invited paper, two panel sessions and 27 papers in this volume report on how the technology is currently extending. One broad area covered is extended database semantics, including data models and data types, databases and logic, complex objects, and expert system approaches to databases. The other area covered is raw architectures and increased database systems support, including novel transaction models, data distribution and replication, database administration, and access efficiency.