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Article ABOUT MULTI-VARIANT CLUSTERING AND ANALYSIS HIGH-DIMENSIONAL DATA Abstract: In this paper an example of multi-variant clustering is presented. The problems to be solved are described and multi-variant clustering based on pyramidal multi-layer multi-dimensional stru 
Article ALGORITHM FOR QUICK NUMBERING OF LARGE VOLUMES OF DATA Abstract: An original algorithm for numbering large datasets by means of Natural Language Addressing (NLA) is presented in the paper. We use a counter to number different instances and store its curr 
Article AN APPROACH TO VARIABLE AGGREGATION IN EFFICIENCY ANALYSIS Abstract: In the nonparametric framework of Data Envelopment Analysis the statistical properties of its estimators have been investigated and only asymptotic results are available. For DEA estimators 
Article ANALYZING THE LOCALIZATION OF LANGUAGE FEATURES WITH COMPLEX SYSTEMS TOOLS ... Abstract: Half of the world’s languages are in danger of disappearing before the century ends. Efficient protection of these languages is difficult as their fate depends on multiple factors. The ro 
Article ASSOCIATION RULE MINING WITH N-DIMENSIONAL UNIT CUBE CHAIN SPLIT TECHNIQUE Abstract: This paper considers the association rule mining problem and provides an alternative to APRIORI algorithm, for solving this problem by splitting up the n-dimensional unit cube vertices into 
Article ASTRONOMICAL PLATES SPECTRA EXTRACTION OBJECTIVES AND POSSIBLE SOLUTIONS ... Abstract: The process of spectra extraction into catalogs from astronomical images, its difficulties and usage on the Digitized First Byurakan Survey (DFBS) plates are presented. The DFBS is the larg 
Article CITATION-PAPER RANK DISTRIBUTIONS AND ASSOCIATED SCIENTOMETRIC INDICATORS ... Abstract: This paper is devoted to studying the interrelations between most widely used scientometric indicators (in particular, Hirsch’s h-, Egghe’s g- and Zhang’s e- indexes) for several more 
Article COMPOSITE BLOCK OPTIMIZED CLASSIFICATION DATA STRUCTURES Abstract: There are different applications that require finding in a set all points most similar to the given query element. These are problems known as classification problems, or as best match, or  
Article COMPUTATIONAL MODEL FOR SERENDIPITY Abstract: In recent years there have been various attempts and studies that are eager to serendipity in Computer Science. Authors such as Campos and Dias have tried to model the serendipity in order t 
Article DEVELOPMENT OF DATABASE FOR DISTRIBUTED INFORMATION MEASUREMENT ... Abstract: The purpose of this work is the development of database of the distributed information measurement and control system that implements methods of optical spectroscopy for plasma physics rese 
Article HOW TO USE A DESKTOP VERSION OF A DBMS FOR CLIENT-SERVER APPLICATIONS Abstract: DBMS (Data base management systems) still have a very high price for small and middle enterprises in Bulgaria. Desktop versions are free but they cannot function in multi-user environment.  
Article INDIRECT SPATIAL DATA EXTRACTION FROM WEB DOCUMENTS Abstract: An approach for indirect spatial data extraction by learning restricted finite state automata from web documents created using Bulgarian language are outlined in the paper. It uses heuristi 
Article INDIRECT SPATIAL DATA EXTRACTION FROM WEB DOCUMENTS Abstract: An approach for indirect spatial data extraction by learning restricted finite state automata from web documents created using Bulgarian language are outlined in the paper. It uses heuristic 
Article INDIRECT SPATIAL DATA EXTRACTION FROM WEB DOCUMENTS Abstract: An approach for indirect spatial data extraction by learning restricted finite state automata from web documents created using Bulgarian language are outlined in the paper. It uses heuristi 
Article INTEGRATED ENVIRONMENT FOR STORING AND HANDLING INFORMATION IN TASKS OF ... Abstract: Inductive modelling tools are widely used for solving problems of analysing economical, ecological, and other processes. Development of business intelligence systems based on inductive model 
Article METHOD FOR EVALUATING OF DISCREPANCY BETWEEN REGULARITIES SYSTEMS IN ... Abstract: A new method of data analysis is discussed. Goal of represented techniques is complete and statistically valid comparing of regularities existing in two different groups of objects. It is su 
Article METHOD OF DATA ANALYSIS BASED ON CLUSTERING IN “SYNDROMES” INDICATORS SPACE Abstract: A new data analysis method is discussed that is based on calculating syndromes by training data sets. Syndrome are defined as sub-regions in feature space where mean values of target Y devi 
Article METHODS FOR EVALUATING OF REGULARITIES SYSTEMS STRUCTURE Abstract: The new method for analysis of regularities systems is discussed. Regularities are related to effect of explanatory variables on outcome. At that it is supposed that different levels of out 
Article METHODS OF REGULARITIES SEARCHING BASED ON OPTIMAL PARTITIONING Abstract: The purpose of discussed optimal valid partitioning (OVP) methods is uncovering of ordinal or continuous explanatory variables effect on outcome variables of different types. The OVP approa 
Article MULTI-VARIANT PYRAMIDAL CLUSTERING AND ANALYSIS HIGH-DIMENSIONAL DATA Abstract: In this work an example of multi-variant clustering is presented. The problems to be solved are described and multi-variant clustering based on pyramidal multi-layer multi-dimensional stru 
Article ON A METHOD OF MULTI-ALGORITHMIC CLASSIFICATION Abstract: In this paper the calculating estimates model, based on a system of logical regularities to solve the supervised classification problem is considered. A method of determining the weighting  
Article ONTOARM - A SYSTEM FOR STORING ONTOLOGIES BY NATURAL LANGUAGE ADDRESSING Abstract: In this paper we present results from experiments for storing RDF ontologies by means of Natural Language Addressing. For experiments we have realized system OntoArM aimed to store RDF trip 
Article PROCESSING SETS OF CLASSES’ LOGICAL REGULARITIES Abstract: The paper considers two methods for processing sets of logical regularities of classes (LRC) found by training samples analysis. The first approach is based on the minimization of logical  
Article RDFARM - A SYSTEM FOR STORING LARGE SETS OF RDF TRIPLES AND QUADRUPLES BY ... Abstract: In this paper we present results from experiments for storing middle-size and large sets of RDF triples and quadruples by means of Natural Language Addressing. For experiments we have reali 
Article SELF-CITATIONS EFFECT ON SCIENTOMETRIC INDEXES Abstract: Scientometric studies on self-citations reveal variety of aspects, like attempted fraud approaching a crime, a self-advertising tool, a standard scientific publication practice that saves s 

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