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We're back with How I Launched This: A SaaS story! This week, Stephanie Wong (@stephr_wong) talks with Alvin Richards about Redis Labs, a company optimizing the Redis open source in-memory database system to build better managed tools for enterprise clients.Alvin begins the show describing how his love of solving complex development problems and great people skills have put him in a unique position to act as intermediary between engineers and clients, gaining insights into real-world problems and how to solve them. Looking to the future, Alvin's team also anticipates client needs, creating database products that will continue to help clients as their projects evolve.Later in the show, Alvin describes how the Redis system built in the cloud was reworked to also provide on-prem offerings. We learn how Redis Labs was able to fill a gap in the market by offering a database product that both developers and clients could understand, adapt, and use. Alvin introduces us to other Redis Labs products, including Redis for Enterprise which allows tiering between memory forms, in-memory caching, scaling, and more for a flexible database experience.We wrap up the show with a discussion of what it's like coordinating the development of such a large open source project and why Redis Labs supports open source. Alvin offers advice to other companies, stressing the importance of building solutions with both the creator and client in mind and educating clients and developers to use the software effectively. We talk about the future of open source in SaaS companies and how important it will be for scaling SaaS technology. Alvin concludes by encouraging everyone to ultimately find joy in what they do.Episode Links:RedisRedis LabsDockerMemorystoreMongoDBElasticRedis University

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The Applied Computer Science Department at Illinois State University is in the process of implementing a reengineered curriculum that utilizes an integrated and spiral approach to subject coverage. The 1996-97 school year was the first year that upper division course prerequisites were based on the new curriculum instead of a mixture of old and new. During this first year, professors taught upper division courses that relied on students having acquired the knowledge and skills from the first portion of the spiral. This paper focuses on the systems analysis and design component of the core, including systems development tools and database concepts, and the way in which the introduction of this material in a first, core course impacted the more advanced treatment of the topics in advanced courses for Information Systems majors. Issues and problems are analyzed, attempted solutions discussed, and suggestions offered for those faced with a similar situation. After teaching the two follow-on courses, it was apparent that more planning and development work needs to be done in order to affect a smoother transition along the spiral. (Author/AEF)

The Applied Computer Science Department at Illinois State University is in the process of implementing a reengineered curriculum that utilizes an integrated and spiral approach to subject coverage. The 1996-97 school year was the first year that upper division course prerequisites were based on the new curriculum instead of a mixture of old and new. During this first year, professors taught upper division courses that relied on students having acquired the knowledge and skills from the first portion of the spiral. This paper focuses on the systems analysis and design component of the core, including systems development tools and database concepts, and the way in which the introduction of this material in a first, core course impacted the more advanced treatment of the topics in advanced courses for Information Systems majors. Issues and problems are analyzed, attempted solutions discussed, and suggestions offered for those faced with a similar situation. After teaching the two follow-on courses, it was apparent that more planning and development work needs to be done in order to affect a smoother transition along the spiral. (Author/AEF)

This article is from Nucleic Acids Research , volume 40 . Abstract DNAtraffic (http://dnatraffic.ibb.waw.pl/) is dedicated to be a unique comprehensive and richly annotated database of genome dynamics during the cell life. It contains extensive data on the nomenclature, ontology, structure and function of proteins related to the DNA integrity mechanisms such as chromatin remodeling, histone modifications, DNA repair and damage response from eight organisms: Homo sapiens, Mus musculus, Drosophila melanogaster, Caenorhabditis elegans, Saccharomyces cerevisiae, Schizosaccharomyces pombe, Escherichia coli and Arabidopsis thaliana. DNAtraffic contains comprehensive information on the diseases related to the assembled human proteins. DNAtraffic is richly annotated in the systemic information on the nomenclature, chemistry and structure of DNA damage and their sources, including environmental agents or commonly used drugs targeting nucleic acids and/or proteins involved in the maintenance of genome stability. One of the DNAtraffic database aim is to create the first platform of the combinatorial complexity of DNA network analysis. Database includes illustrations of pathways, damage, proteins and drugs. Since DNAtraffic is designed to cover a broad spectrum of scientific disciplines, it has to be extensively linked to numerous external data sources. Our database represents the result of the manual annotation work aimed at making the DNAtraffic much more useful for a wide range of systems biology applications.

Software multiple-backend database systems provide high-performance, cost-effective database management support for systems with very large and growing databases. One backend computer, called the backend controller (or, briefly, controller), controls transaction processing of the remaining backend computers, i.e., backends, and interfaces with the host computers. These systems are designed to provide performance-gain and capacity-growth potential by increasing the number of backends connected to their controllers. This thesis develops a comprehensive methodology for the performance evaluation of multiple-backend database systems. It also applies this methodology to develop a test-database set and test-transaction mix for the evaluation of the multi-backend database system, MBDS. (Author)

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ADA208167

ADA208167

This report evaluates the database modeling capabilities of three large scale computer simulation facilities. The systems overviewed and contrasted are: (1) CASE, a TESDATA commercial product; (2) DIMUI, a TECHNION University research product; and (3) IPSS, an Ohio State University research product. Chapters are further provided which overview simulation techniques and the area of database management systems. Criteria are derived to form the basis for evaluation of the three subject systems. Upon consolidation into a linear objective function, the systems are rated: IPSS, DIMUI, and lastly CASE. System deficiencies are revealed and fruitful areas for further research are objectively discussed. (Author)

This report evaluates the database modeling capabilities of three large scale computer simulation facilities. The systems overviewed and contrasted are: (1) CASE, a TESDATA commercial product; (2) DIMUI, a TECHNION University research product; and (3) IPSS, an Ohio State University research product. Chapters are further provided which overview simulation techniques and the area of database management systems. Criteria are derived to form the basis for evaluation of the three subject systems. Upon consolidation into a linear objective function, the systems are rated: IPSS, DIMUI, and lastly CASE. System deficiencies are revealed and fruitful areas for further research are objectively discussed. (Author)

The First International Workshop on Multimedia Information Systems was held in the Doubletree Hotel National Airport, Arlington, Virginia from September 28th to 30th, 1995. The workshop was chaired by Prof V.S. Subrahmanian and Prof. S.K. Tripathi. The workshop was sponsored by the Army Research Office and the University of Maryland Institute for Advanced Computer Studies. There were about 60 participants from academic institutions, research laboratories, the Army and the industry.

The ATMS Research Analysis Database Systems (ARADS) consists of a Traffic Software Data Dictionary (TSDD) and a Traffic Software Object Model (TSOM) for application to microscopic traffic simulation and signal optimization domains. The purpose of this model is to capture a clear, consistent, unambiguous definition of the terms and definitions used in the traffic-modeling arena. As such, ARADS provides a means of integrating disparate traffic engineering software tools.

The mission of the Accession Medical Standards Analysis & Research Activity (AMSARA) is to support the development of evidence based medical standards for the Department of Defense (DoD) by guiding improvement of medical and administrative databases and conducting epidemiologic and special studies analyses. AMSARA's mission has recently expanded to include analysis and studies of existing disability tri-service evaluation system by the request of the Office of Assistant Secretary of Defense, Health Affairs. The DES Annual Report includes executive summary, methods, history of medical disqualification, pre-existing conditions, accession medical waiver, and hospitalization among service members evaluated for disability, service disability evaluation databases limitations from FY 07 to FY12, data quality and standardization recommendations.

Thesis advisor, David K. Hsiao

This article is from Source Code for Biology and Medicine , volume 9 . Abstract Background: Advances in high-throughput technologies have enabled extensive generation of multi-level omics data. These data are crucial for systems biology research, though they are complex, heterogeneous, highly dynamic, incomplete and distributed among public databases. This leads to difficulties in data accessibility and often results in errors when data are merged and integrated from varied resources. Therefore, integration and management of systems biological data remain very challenging. Methods: To overcome this, we designed and developed a dedicated database system that can serve and solve the vital issues in data management and hereby facilitate data integration, modeling and analysis in systems biology within a sole database. In addition, a yeast data repository was implemented as an integrated database environment which is operated by the database system. Two applications were implemented to demonstrate extensibility and utilization of the system. Both illustrate how the user can access the database via the web query function and implemented scripts. These scripts are specific for two sample cases: 1) Detecting the pheromone pathway in protein interaction networks; and 2) Finding metabolic reactions regulated by Snf1 kinase. Results and conclusion: In this study we present the design of database system which offers an extensible environment to efficiently capture the majority of biological entities and relations encountered in systems biology. Critical functions and control processes were designed and implemented to ensure consistent, efficient, secure and reliable transactions. The two sample cases on the yeast integrated data clearly demonstrate the value of a sole database environment for systems biology research.

The key elements of research performed during the year long effort of this project are: Investigate the effects of heterogeneity in distributed real time systems; Study the requirements to TRAC towards building a heterogeneous database system; Study the effects of performance modeling on distributed database performance; and Experiment with an ORACLE based heterogeneous system.

The key elements of research performed during the year long effort of this project are: Investigate the effects of heterogeneity in distributed real time systems; Study the requirements to TRAC towards building a heterogeneous database system; Study the effects of performance modeling on distributed database performance; and Experiment with an ORACLE based heterogeneous system.

Computer systems have enjoyed an exponential growth in processor speed for the last 20 years, while DRAM main memory speed improves only moderately. Today a cache miss to main memory takes hundreds of processor cycles, and this gap between processor and DRAM speeds is widening exponentially. Recent database performance studies have pointed out that about 50% or more of the execution time of database systems in main memory is often wasted due to cache misses. On the other hand, several decades of database studies have invented many I/O techniques to better tolerate the disk-to-memory gap. Increasingly larger main memories in server systems can hold more and more hot data in databases. Therefore, the memory-to-cache gap is becoming the major performance problem for database systems. In this talk, I rethink database system designs to exploit modern computer architecture features. In particular, I exploit the CPU cache hierarchy and software prefetch instructions supported by most modern processors for relational database systems. Cache prefetching can load data into the cache before use, thus reducing the impact of cache misses. I focus on important structures and algorithms with intriguing, non-contiguous memory access patterns: the B+-Tree index, and the hash join algorithm. I will present novel prefetching techniques for B+-trees and hash joins. I will report on the results of extensive performance studies, demonstrating the dramatic performance improvements of the prefetching techniques over traditional algorithms and other cache friendly schemes. ©2005 Microsoft Corporation. All rights reserved.

In this third of a series of papers related to cataclysmic variables (CVs) and related objects, we analyse the population of CVs in a set of 12 globular cluster models evolved with the MOCCA Monte Carlo code, for two initial binary populations (IBPs), two choices of common-envelope phase (CEP) parameters, and three different models for the evolution of CVs and the treatment of angular momentum loss. When more realistic models and parameters are considered, we find that present-day cluster CV duty cycles are extremely-low ($\lesssim 0.1$ per cent) which makes their detection during outbursts rather difficult. Additionally, the IBP plays a significant role in shaping the CV population properties, and models that follow the Kroupa IBP are less affected by enhanced angular momentum loss. We also predict from our simulations that CVs formed dynamically in the past few Gyr (massive CVs) correspond to bright CVs (as expected), and that faint CVs formed several Gyr ago (dynamically or not) represent the overwhelming majority. Regarding the CV formation rate, we rule out the notion that it is similar irrespective of the cluster properties. Finally, we discuss the differences in the present-day CV properties related to the IBPs, the initial cluster conditions, the CEP parameters, formation channels, the CV evolution models, and the angular momentum loss treatments.

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Includes bibliographical references (p. [1198]-1208) and index

Available from National Technical Information Service, Springfield, Va

Available from National Technical Information Service, Springfield, Va

Available from National Technical Information Service, Springfield, Va

Includes bibliographies and index

Association for Computing Machinery: Transactions on Database Systems 1986: Volume 11 , Issue CONTENTS. Digitized from IA1534630-02 . Previous issue: sim_acm-transactions-on-database-systems_1985-12_10_4 . Next issue: sim_acm-transactions-on-database-systems_1986-03_11_1 .

Swift rates of scientific-technical evolution demand modern technologies of information storing and processing for diverse resources management, for example in science and education domain. For solving of this task the ontological approach was used and “Ontology-based Portal for Management and Evaluation of scientific and Educational Resources of Ukraine” was created to reveal implicit domain knowledge, detect conflicts and control the correspondence of the HEI`s activity to the legislative base of Ukraine and society needs

Swift rates of scientific-technical evolution demand modern technologies of information storing and processing for diverse resources management, for example in science and education domain. For solving of this task the ontological approach was used and “Ontology-based Portal for Management and Evaluation of scientific and Educational Resources of Ukraine” was created to reveal implicit domain knowledge, detect conflicts and control the correspondence of the HEI`s activity to the legislative base of Ukraine and society needs

Swift rates of scientific-technical evolution demand modern technologies of information storing and processing for diverse resources management, for example in science and education domain. For solving of this task the ontological approach was used and “Ontology-based Portal for Management and Evaluation of scientific and Educational Resources of Ukraine” was created to reveal implicit domain knowledge, detect conflicts and control the correspondence of the HEI`s activity to the legislative base of Ukraine and society needs

Includes bibliographies and indexes

Association for Computing Machinery: Transactions on Database Systems 1979: Volume 4 , Issue CONTENTS. Digitized from IA1534630-02 . Previous issue: sim_acm-transactions-on-database-systems_1978-12_3_4 . Next issue: sim_acm-transactions-on-database-systems_1979-03_4_1 .

Association for Computing Machinery: Transactions on Database Systems 1988: Volume 13 , Issue CONTENTS. Digitized from IA1534630-02 . Previous issue: sim_acm-transactions-on-database-systems_1987-12_12_4 . Next issue: sim_acm-transactions-on-database-systems_1988-03_13_1 .

Association for Computing Machinery: Transactions on Database Systems 1988: Volume 13 , Issue CONTENTS. Digitized from IA1534630-02 . Previous issue: sim_acm-transactions-on-database-systems_1987-12_12_4 . Next issue: sim_acm-transactions-on-database-systems_1988-03_13_1 .

This article is from Journal of Cheminformatics , volume 6 . Abstract Background: Modern medicine often clashes with traditional medicine such as Chinese herbal medicine because of the little understanding of the underlying mechanisms of action of the herbs. In an effort to promote integration of both sides and to accelerate the drug discovery from herbal medicines, an efficient systems pharmacology platform that represents ideal information convergence of pharmacochemistry, ADME properties, drug-likeness, drug targets, associated diseases and interaction networks, are urgently needed. Description: The traditional Chinese medicine systems pharmacology database and analysis platform (TCMSP) was built based on the framework of systems pharmacology for herbal medicines. It consists of all the 499 Chinese herbs registered in the Chinese pharmacopoeia with 29,384 ingredients, 3,311 targets and 837 associated diseases. Twelve important ADME-related properties like human oral bioavailability, half-life, drug-likeness, Caco-2 permeability, blood-brain barrier and Lipinski’s rule of five are provided for drug screening and evaluation. TCMSP also provides drug targets and diseases of each active compound, which can automatically establish the compound-target and target-disease networks that let users view and analyze the drug action mechanisms. It is designed to fuel the development of herbal medicines and to promote integration of modern medicine and traditional medicine for drug discovery and development. Conclusions: The particular strengths of TCMSP are the composition of the large number of herbal entries, and the ability to identify drug-target networks and drug-disease networks, which will help revealing the mechanisms of action of Chinese herbs, uncovering the nature of TCM theory and developing new herb-oriented drugs. TCMSP is freely available at http://sm.nwsuaf.edu.cn/lsp/tcmsp.php.

This article is from Journal of Cheminformatics , volume 6 . Abstract Background: Modern medicine often clashes with traditional medicine such as Chinese herbal medicine because of the little understanding of the underlying mechanisms of action of the herbs. In an effort to promote integration of both sides and to accelerate the drug discovery from herbal medicines, an efficient systems pharmacology platform that represents ideal information convergence of pharmacochemistry, ADME properties, drug-likeness, drug targets, associated diseases and interaction networks, are urgently needed. Description: The traditional Chinese medicine systems pharmacology database and analysis platform (TCMSP) was built based on the framework of systems pharmacology for herbal medicines. It consists of all the 499 Chinese herbs registered in the Chinese pharmacopoeia with 29,384 ingredients, 3,311 targets and 837 associated diseases. Twelve important ADME-related properties like human oral bioavailability, half-life, drug-likeness, Caco-2 permeability, blood-brain barrier and Lipinski’s rule of five are provided for drug screening and evaluation. TCMSP also provides drug targets and diseases of each active compound, which can automatically establish the compound-target and target-disease networks that let users view and analyze the drug action mechanisms. It is designed to fuel the development of herbal medicines and to promote integration of modern medicine and traditional medicine for drug discovery and development. Conclusions: The particular strengths of TCMSP are the composition of the large number of herbal entries, and the ability to identify drug-target networks and drug-disease networks, which will help revealing the mechanisms of action of Chinese herbs, uncovering the nature of TCM theory and developing new herb-oriented drugs. TCMSP is freely available at http://sm.nwsuaf.edu.cn/lsp/tcmsp.php.

This article is from Journal of Cheminformatics , volume 6 . Abstract Background: Modern medicine often clashes with traditional medicine such as Chinese herbal medicine because of the little understanding of the underlying mechanisms of action of the herbs. In an effort to promote integration of both sides and to accelerate the drug discovery from herbal medicines, an efficient systems pharmacology platform that represents ideal information convergence of pharmacochemistry, ADME properties, drug-likeness, drug targets, associated diseases and interaction networks, are urgently needed. Description: The traditional Chinese medicine systems pharmacology database and analysis platform (TCMSP) was built based on the framework of systems pharmacology for herbal medicines. It consists of all the 499 Chinese herbs registered in the Chinese pharmacopoeia with 29,384 ingredients, 3,311 targets and 837 associated diseases. Twelve important ADME-related properties like human oral bioavailability, half-life, drug-likeness, Caco-2 permeability, blood-brain barrier and Lipinski’s rule of five are provided for drug screening and evaluation. TCMSP also provides drug targets and diseases of each active compound, which can automatically establish the compound-target and target-disease networks that let users view and analyze the drug action mechanisms. It is designed to fuel the development of herbal medicines and to promote integration of modern medicine and traditional medicine for drug discovery and development. Conclusions: The particular strengths of TCMSP are the composition of the large number of herbal entries, and the ability to identify drug-target networks and drug-disease networks, which will help revealing the mechanisms of action of Chinese herbs, uncovering the nature of TCM theory and developing new herb-oriented drugs. TCMSP is freely available at http://sm.nwsuaf.edu.cn/lsp/tcmsp.php.

Trimester 1 - 2019/2020

DBMS

DBMS

DBMS

When it comes to American education, few policy areas are as misunderstood -- or as crucial -- as school finance. Over the past several years, a political and empirical consensus has emerged about the importance of equitable and adequate school funding for high quality K-12 education. In other words, the evidence is clear that money does, indeed, matter. Certainly, debates about how education funds should be spent are also important, and money should be spent wisely. But there are few options for improving America's schools that do not require adequate and sustained investment, particularly for disadvantaged students. While maintaining efficiency is important, the fact is that districts cannot spend money wisely that they do not have. This report presents key findings from the second release of the School Finance Indicators Database (SFID), a public database of sophisticated but user-friendly state school finance measures going back to 1993. This latest version of the SFID includes data up to 2017 (the 2016-17 school year). [For the first edition, "The Adequacy and Fairness of State School Finance Systems. Findings from the School Finance Indicators Database, School Year 2015-2016," see ED596199.]

Database Systems   is ideal for a one- or two-term course in database management or database design in an undergraduate or graduate level course. With its comprehensive coverage, this book can also be used as a reference for IT professionals.  

Much of the work to date to apply Role-Based Access Control (RBAC) to database management systems has focused on single database systems or an integrated distributed database system. For situations where the need exists to consolidate multiple independent databases, and where the direct integration of the databases is neither practical nor desirable, the application of RBAC requires that policy be enforced via a method that is distinct from the databases. The method must provide for the verification of the RBAC policy, while allowing for the independence of the various databases on which the policy is enforced. This paper proposes a model for an application that provides for a web-based interface for users to be granted access to data held in various independent databases. The application enforces a strict RBAC policy on a well-defined set of accesses, while alleviating the need for users to have a separate account on each of the databases.

We propose an inference prevention agent as a tool that enables each of the databases in a distributed system to keep track of probabilistic dependencies with other databases and then use that information to help preserve the confidentiality of sensitive data. This is accomplished with minimal sacrifice of the performance and survivability gains that are associated with distributed database systems.

Until recently, research and development efforts in the database management systems area were focused on supporting traditional business applications. The design of database systems capable of supporting non-traditional application areas, including engineering applications for CAD/CAM and VLSI data, scientific and statistical applications, expert database systems (which can really be viewed as adding database system technology to an AI application), and image/voice applications, has now emerged as an important new direction for database system research. The new applications differ from more conventional applications like transaction processing and record keeping in a number of important areas: 1) Data modeling requirements; 2) Processing functionally; 3) Concurrency control and recovery mechanisms; 4) Access methods and storage structures. Keywords: EXODUS computer architecture.

Until recently, research and development efforts in the database management systems area were focused on supporting traditional business applications. The design of database systems capable of supporting non-traditional application areas, including engineering applications for CAD/CAM and VLSI data, scientific and statistical applications, expert database systems (which can really be viewed as adding database system technology to an AI application), and image/voice applications, has now emerged as an important new direction for database system research. The new applications differ from more conventional applications like transaction processing and record keeping in a number of important areas: 1) Data modeling requirements; 2) Processing functionally; 3) Concurrency control and recovery mechanisms; 4) Access methods and storage structures. Keywords: EXODUS computer architecture.