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Bulgarian Digital Mathematics Library at IMI-BAS
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2360 Publications
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  • Data Mining for Software Development Life Cycle Quality Management

    Computer software plays an important role in business, government, society and sciences. To solve real-world problems, it is very important to measure the quality and reliability in the software development life cycle (SDLC). Software Engineering (SE) is the computing field concerned with designing, developing, implementing, maintaining and modifying software. The present paper gives an overview of the Data Mining (DM) techniques that can be applied to various types of SE d...

    The General Differential Operators Generated by a Quasi-Differential Expressions with their Interior Singular Points

    The general ordinary quasi-differential expression M of n-th order with complex coefficients and its formal adjoint M + are considered over a regoin (a, b) on the real line, −∞ ≤ a < b ≤ ∞, on which the operator may have a finite number of singular points. By considering M over various subintervals on which singularities occur only at the ends, restrictions of the maximal operator generated by M in L2|w (a, b) which are regularly solvable with respect to the minimal operato...

    Share.TEC Portal: How the Metadata Repositories of Educational Resources Meet the Users’ Expectations

    This is an extended version of an article presented at the Second International Conference on Software, Services and Semantic Technologies, Sofia, Bulgaria, 11–12 September 2010. This paper presents the process of building contemporary digital libraries with metadata for educational resources in Europe. The importance of enriching digital resources with complete, descriptive and accurate metadata is discussed as well as how these metadata are supported within the European project Share....

    Адаптивные подходы к коррекции статических и кинематических поправок в задаче обработки сейсмических данных

    * Работа выполнена при поддержке РФФИ 07-01-00331-a В работе рассматриваются проблемы, возникающие в цифровой обработке сейсмических данных. Основной акцент делается на недостатки в изученности несоответствия математической и физической модели объекта. Не смотря на то, что любой граф обработки сейсмических данных содержит процедуру коррекции статических и кинематических поправок., учитывающих неоднородности верхней части сред, задача остаётся актуал...

    On some Sufficient Conditions for High Breakdown Point of ML Estimators

    High breakdown point estimators LME(k) and LT E(k) for location and scale are obtained for symmetrical exponentially decreasing density family. This paper is partly financed by I-625/96 of Bulgarian Ministry of Education Science and Technologies
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