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1.
RAZVOJ UČINKOVITIH KONCEPTOV STORITEV OB UPORABI TERMINALA TC65
Aleš Lubej, 2009, diplomsko delo

Opis: V diplomski nalogi obravnavamo uporabo GSM/GPRS tehnologije za razvoj novih konceptov storitev v raznih inteligentnih okoljih. V diplomi predstavljamo najprej pregled razvoja na področju inteligentnih okoljih in pristope krmiljenja in protokolov, ki so dandanes že uveljavljeni. Sledi podrobna obravnava GSM/GPRS modulov in predstavitev že obstoječih komercialnih rešitev uporabe te tehnologije. V prvem delu diplome so podrobno predstavljene funkcionalne arhitekturne zasnove uporabe GSM/GPRS modula v inteligentnih okoljih, ter idejni primeri storitev, ki jih na danih arhitekturah lahko izvedemo. V drugem delu diplome se osredotočimo predvsem na razvoj novih storitev v BQ inteligentnem okolju, ki jih omogoči uporaba GSM/GPRS tehnologije.
Ključne besede: modul TC65, inteligentno okolje, porazdeljeno programsko ogrodje DATA, GPRS, GSM, SMS
Objavljeno: 14.09.2009; Ogledov: 1507; Prenosov: 129
.pdf Celotno besedilo (3,06 MB)

2.
DISTRIBUIRANI INFORMACIJSKI SISTEM OB UPORABI BLUETOOTH KANALA - BlueMSG
Goran Jambrović, 2010, diplomsko delo

Opis: V diplomski nalogi predstavljamo uporabo Bluetooth tehnologije pri razvoju naprednih storitev na mobilnih napravah, ki jih lahko učinkovito uporabljamo v raznih inteligentnih okoljih. V prvem delu predstavljamo pristope razvoja mobilnih aplikacij, samo Bluetooth tehnologijo, ter DATA sistem, ki se razvija v okviru Laboratorija za digitalno procesiranje signalov za uporabo v raznih inteligentnih okoljih. V drugem delu diplome natančneje predstavljamo razvojno Java ogrodje LWUIT, ki je zelo primerno za razvoj aplikacij na mobilnih napravah, sam razvoj distribuiranega informacijskega sistema ob uporabi bluetooth kanala, ter posledično omogočitev novih funkcionalnosti v BQ inteligentnem okolju.
Ključne besede: mobilne aplikacije, bluetooth tehnologija, Java, Netbeans, DATA sistem, LWUIT ogrodje
Objavljeno: 28.01.2010; Ogledov: 1739; Prenosov: 175
.pdf Celotno besedilo (2,91 MB)

3.
IZMENJAVA PODATKOV IN SINHRONIZACIJA PODATKOVNIH BAZ V POSLOVNEM INFORMACIJSKEM SISTEMU "MOONLIGHT BUSINESS SYSTEM"
Ivica Labaš, 2011, diplomsko delo/naloga

Opis: V diplomskem delu je v osnovi zajeto delovanje prenašanja podatkov v poslovnem informacijskem sistemu MoonLight Business System. Na kratko je predstavljeno programsko okolje in uporabljene tehnologije. Zapisane so primerjave in osnove formatov za prenašanje podatkov in sicer XML, CSV in JSON. Na praktičnih primerih sta predstavljena XML in CSV. Za oba formata je zapisan primer uvoza in izvoza podatkov. Glede na to, da je poslovni sistem povezan z večimi podatkovnimi bazami je potrebna njihova sinhronizacija.
Ključne besede: business information system, MoonLight Business System, XML, CSV, JSON, data base, data exchange, C#, WPF, object
Objavljeno: 19.09.2011; Ogledov: 1153; Prenosov: 87
.pdf Celotno besedilo (4,01 MB)

4.
Local search engine with global content based on domain specific knowledge
Sandi Pohorec, Mateja Verlič, Milan Zorman, 2009, izvirni znanstveni članek

Opis: In the growing need for information we have come to rely on search engines. The use of large scale search engines, such as Google, is as common as surfingthe World Wide Web. We are impressed with the capabilities of these search engines but still there is a need for improvment. A common problem withsearching is the ambiguity of words. Their meaning often depends on the context in which they are used or varies across specific domains. To resolve this we propose a domain specific search engine that is globally oriented. We intend to provide content classification according to the target domain concepts, access to privileged information, personalization and custom rankingfunctions. Domain specific concepts have been formalized in the form ofontology. The paper describes our approach to a centralized search service for domain specific content. The approach uses automated indexing for various content sources that can be found in the form of a relational database, we! b service, web portal or page, various document formats and other structured or unstructured data. The gathered data is tagged with various approaches and classified against the domain classification. The indexed data is accessible through a highly optimized and personalized search service.
Ključne besede: information search, personalization, indexes, crawling, domain specific crawling, natural language processing, content tagging, distributed data sources, ranking functions
Objavljeno: 31.05.2012; Ogledov: 902; Prenosov: 14
URL Celotno besedilo (0,00 KB)

5.
Classification of white varietal wines using chemical analysis and sensorial evaluations
Katja Šnuderl, Jan Mocak, Darinka Brodnjak-Vončina, Bibiana Sedláčkova, 2009, izvirni znanstveni članek

Opis: The ways of application of multivariate data analysis and ANOVA to classification of white varietal wines are here demonstrated. Wine classification was performed using the following classification criteria: winevariety, year of production, wine producer, and wine quality, as found by sensorial testing (bouquet, colour, and taste). Subjective wine evaluation, made by wine experts, is combined with commonly used chemical and physico-chemical properties, measured in analytical laboratory. Importance of the measured variables was determined by principal component analysis and confirmed by analysis of variance. Linear discriminant analysis enabled not only a very successful wine classification but also prediction of the wine category for unknown samples. The wine categories were set up either by three wine varieties, or two vintages, wine producers; two or three wine categories established by wine quality reflected either total points obtained in sensorial evaluation or the points obtained for a particular quality descriptor like colour, taste and bouquet.
Ključne besede: multivariate data analysis, principal component analysis, discriminant analysis, feature selection, ANOVA, sensory analysis
Objavljeno: 31.05.2012; Ogledov: 960; Prenosov: 25
.pdf Celotno besedilo (209,77 KB)

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Influence of the aromatic ring substituents on phase equilibria of vanilins in binary system with CO2
Mojca Škerget, Lucija Čretnik, Željko Knez, Maja Škrinjar, 2005, izvirni znanstveni članek

Opis: Solid-liquid phase transitions of vanillin, ethylvanillin, o-vanillin and o-ethylvanillin in presence of compressed CO2 were determined with the modified capillary method. Furthermore, the solubilities of the above mentioned vanillins in supercritical CO2 were measured at 313.2, 333.2 and 353.2 K and in the pressure range 8-30 MPa using a static-analytic method. The experimental equilibrium solubility data have been fitted to the Peng-Robinson equation in combination with two parameter van der Waals mixing rules and binary parameters were determined from the best fit. Results showed that the phase equilibria of vanillins in dense CO2 are influenced by the position of the hydroxyl group bound to the aromatic ring. Under the pressure of CO2 the melting point depression and also the solubility of both o-vanillins was higher than those of p-vanillins. Oppositely, the alchoxy group (methoxy or ethoxy) showed no significant influence on the solubility of vanillins.
Ključne besede: chemical processing, high pressure technology, CO2, phase equilibria, vanillin isomers, data, ring substituents
Objavljeno: 01.06.2012; Ogledov: 1028; Prenosov: 21
URL Celotno besedilo (0,00 KB)

8.
An overview of data acquisition system for cutting force measuring and optimization in milling
Matjaž Milfelner, Franc Čuš, Jože Balič, 2005, izvirni znanstveni članek

Opis: This paper presents an approach, for the systematic design of condition monitoring system for machine tool and machining operations. The research is based on utilising the genetic optimization method for the on-line optimization of the cutting parameters and to design a program for the signal processing and for the detection of fault conditions for milling processes. Cutting parameters and the measured cutting forces are selected in this work as an application of the proposed approach.
Ključne besede: ball-end milling, cutting process, data acqusition, simulation, cutting forces
Objavljeno: 01.06.2012; Ogledov: 892; Prenosov: 20
URL Celotno besedilo (0,00 KB)

9.
Vapor-liquid equilibrium of binary CO2-organic solvent systems (ethanol, tetrahydrofuran, ortho-xylene, meta-xylene, para-xylene)
Željko Knez, Mojca Škerget, Ljiljana Ilić, Christoph Lütge, 2008, izvirni znanstveni članek

Opis: High pressure vapor-liquid phase equilibrium data (P-T-x-y) for the binary mixtures of organic solvent (ethanol, tetrahydrofuran, o-xylene, m-xylene, p-xylene) with CO2 have been measured at temperatures 313.2, 333.2, 353.2 K and pressures from 1 to 14 MPa using a static-analytic method. For the systemsethanol-CO2 and tetrahydrofuran-CO2, the experimental data at 313.2 and333.2 K are in a good agreement with literature data. The experimental results have been correlated by the Peng-Robinson equation of state in combination with van der Waals one fluid mixing rule with two adjustable parameters.
Ključne besede: chemical processing, high pressure technology, carbon dioxide, ethanol, tetrahydrofuran, xylene, vapor-liquid equilibrium, experimental data, PR equation of state
Objavljeno: 01.06.2012; Ogledov: 942; Prenosov: 29
URL Celotno besedilo (0,00 KB)

10.
An algorithm for protecting knowledge discovery data
Boštjan Brumen, Izidor Golob, Tatjana Welzer Družovec, Ivan Rozman, Marjan Družovec, Hannu Jaakkola, 2003, izvirni znanstveni članek

Opis: In the paper, we present an algorithm that can be applied to protect data before a data mining process takes place. The data mining, a part of the knowledge discovery process, is mainly about building models from data. We address the following question: can we protect the data and still allow the data modelling process to take place? We consider the case where the distributions of original data values are preserved while the values themselves change, so that the resulting model is equivalent to the one built with original data. The presented formal approach is especially useful when the knowledge discovery process is outsourced. The application of the algorithm is demonstrated through an example.
Ključne besede: data protection algorithm, classification algorithm, disclosure control, data mining, knowledge discovery, data security
Objavljeno: 01.06.2012; Ogledov: 1022; Prenosov: 17
URL Celotno besedilo (0,00 KB)

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