Parko problematika struktūrinėje miesto plėtroje (Šiaulių miesto pavyzdžiu)

Nowadays there is a renewed interest in city parks as recreational oases providing tranquillity and balancing out urban processes. This paper reviews characteristic features of city parks situated in an urban environment, presents comparative characteristics of exceptional parks, and summarizes the development of city parks in Lithuania in the 20th century. Within this context a feasibility study of the central park in S˘iauliai is presented, focussing on the task of clearly distinguishing the park’s borders during its moderate urbanization and preserving the park in the process of integration of its urban neighbourhood, meanwhile improving the park’s composition and service infrastructure. The paper analyses the park’s territory as an element of urban structure: position within the green city structure and the system of green spaces; arrangement of the green space in the overall city structure (hierarchy of values of urban structure elements), degree of its integration; transformations of the park’s territory; analysis of the current situation and suggestions. Santrauka Šiuo metu vėl pradėta gręžtis į miestuose esančius parkus kaip gyventojų poilsio, ramybės bei savotiškos atsvaros urbanizaciniams procesams oazes. Straipsnyje apžvelgiami miestų parkų urbanizuotoje aplinkoje ypatumai, pateikiama išskirtų parkų lyginamoji charakteristika, apžvelgiama Lietuvos miesto parkų evoliucija XX a. Šios informacijos fone pristatoma Šiaulių miesto centrinio parko galimybių studija, kurioje iškeltas uždavinys nuosaikiai urbanizuojant teritoriją aiškiai išskirti parko ribas bei kaip nepakenkti esančiam parkui integruoti urbanizacinį kaimyną, kartu pagerinant paties parko kompoziciją bei paslaugų infrastruktūrą. Pateikiama parko teritorijos analizė kaip urbanistinės struktūros elemento tyrimas: miesto gamtiniame karkase ir žaliųjų plotų sistemoje; žaliosios erdvės rangas bendrojoje miesto struktūroje (urbanistinės struktūros elementų vertybinė hierarchija), jos integracijos laipsnis; parko teritorijos transformacijos; esamos padėties analizė bei siūlymai. First Published Online: 22 May 2013 Reikšminiai žodžiai: Šiaulių centrinis miesto parkas, urbanizuota aplinka, gamtinis karkasas, urbanistinė struktūra, erdvių hierarchija

Urban design in the Baltics: studies, research and practice

„Urban design in the Baltics: studies, research and practice" Journal of Architecture and Urbanism, 40(4), p. 259-26

The ROC-based analysis of spectroscopic signals from medical specimens

Accurate methods of rapid medical diagnostics would obtain recognition among clinicians. In this paper, we present a ROC (receiver operating characteristic) analysis based approach to investigate intrinsic fluorescence spectra of medical samples. The approach provides researchers with capabilities for both spectroscopic feature selection and classification tasks. The method is illustrated using data obtained from samples of uterine cervix's tissues (normal, inflammatory, and precancerous conditions), but it is applicable for data from other types of medical specimens too. The results indicate the possibility to identify spectral ranges at which differences between various medical conditions are most evident as well as potential to apply the method for inflammation (cervicitis) vs. other medical conditions' diagnostics

Square as a type of urban space : between social functions and spatial dimensions

Straipsnyje nagrinėjama miesto aikštė urbanistiniu aspektu, kaip masės ir erdvės kompozicija su socialinės funkcijos turiniu. Pateikiamos aikštės sąvokos versijos žodynuose, įstatymuose, aptariama aikštės sąvokos formuluotė urbanistiniame kontekste. Formuluojami kriterijai aikštės formavimui anksčiau atliktų aikštės (kaip struktūrinio elemento) tyrimų pagrindu profesinės literatūros šaltiniuose, skiriant dėmesį urbanistinės erdvės formavimo principams (konkrečių kompozicinių-struktūrinių sprendinių paieškai). Aptariamas aikštės charakterio tapatumas, priklausomai nuo jos geografijos mieste. Straipsnis aktualus urbanistikos ir architektūros profesinio lauko tyrėjams bei kaip bibliografinė rodyklė aikštės fenomeno suvokimui urbanistikoje. Reikšminiai žodžiai: Aikštės charakteris; Aikštės sąvoka; Centrinė miesto dalis; Kriterijai; Miesto aikštė; Urbanistiniai sprendimai; Vertinimo aspektai; Vietos tapatumas; Aspects of evaluation; Central part of the city; Character of a; Character of a square; City square; Criterion; Local identity; Square; Urban solution; Urban solutionsA square is one of the elements of a city’s morphological structure. The balance between its volume and space, as well as its social content are the topics that are often discussed by professionals of urban design. In addition to being an element of spatial structure, a city square also performs social functions (it provides a space for festive gatherings, commemorations, public get-togethers, shortterm public recreation, socialisation, etc.). The term “public space” basically refers to the functional aspect, while the term “square” primarily denotes geometrical parameters. The current paper presents some insights into the aspect of urban design of squares treating it as a composition of volume and space with a social function. It sets the criteria for the formation of a square on the basis of the earlier studies of squares (as structural elements) found in professional literature, while focusing on the principles of formation of urban space (a search for concrete compositional and structural solutions). These criteria constitute the basis for a comparative analysis of squares (in central parts of cities rather than old towns) in the context of the common European cultural framework. The paper aims to find out if today, 25 years after the restoration of independence in Lithuania, these squares need to be transformed or merely adjusted (improved). This question, like the issue of status (both physical and social), which still has not been established in some Baltic cities and states, is frequently raised at various levels (professional, political and social)

Marketingo orientacijos ypatumai Europos Sąjungos mobiliųjų telekomunikacijų rinkoje

The paper presents the results of marketing orientation study in the organizational behavior perspective. It is hypothesized that marketing orientation has positive relations to performance results, innovativeness and learning orientation of the enterprises. These hypotheses are derived from the overview of the marketing orientation research and organization behavior literature.The methodology of compiling empirical research instrument is presented. The marketing orientation measurement instrument created during this study includes both innovativeness and learning orientation measurement criteria. Content validity, criterion validity and construct validity of the marketing orientation measurement instrument was assessed using statistical methods recommended by Churchill (1979). Empirical test of the marketing orientation measurement instrument in the industry of the mobile communications proved this instrument to be reliable.The interrogatory empirical research of EU mobile GSM network operators was performed during the study. Marketing orientation received the highest evaluation in Luxemburg. Finish mobile operators gave the lowest ratings for the marketing orientation criteria.The results of marketing orientation empirical research confinned positive relations between marketing orientation and enterprise performance in the mobile telecommunications industry. However hypothesis about positive relations between marketing orientation and innovativeness of the enterprise was not supported by the empirical research results of mobile GSM operators in EU countries. This phenomenon might be explained by the problems arising to mobile network operators from implementation of 3G. Hypothesis about positive relations between marketing orientation and learning orientation was strongly supported by the empirical research results in mobile telecommunications.Further implications for research are indicating a need to investigate the marketing orientation of the mobile communication operators in the candidate EU countries. In order to obtain the most objective evaluation of marketing orientation it is recommended to perform interrogatory of both the enterprise personnel and the end users of the enterprise services or products. In order to evaluate application areas of constructed marketing orientation measurement instrument it is recommended to conduct a research in other industries.Šiame straipsnyje remiantis organizacijų elgsenos perspektyva analizuojama marketingo orientacija Europos Sąjungos mobiliųjų telekomunikacijų rinkoje.Mokslinio tyrimo metu sudarytas marketingo orientacijos matavimo instrumentas, įtraukiantis inovacijų diegimo ir įmonių mokymosi orientacijos vertinimo kriterijus. Apklausos būdu atliktas ES mobiliųjų GSM operatorių marketingo orientacijos empirinis tyrimas. Tikimasi, kad tyrimo rezultatai patvirtins pozityvų marketingo orientacijos, įmonių mokymosi orientacijos ir inovacijų diegimo santykį