Adjusting WSMO API Reference Implementation to Support More Reliable Entity Persistence

* The research has been partially supported by INFRAWEBS - IST FP62003/IST/2.3.2.3 Research Project No. 511723 and “Technologies of the Information Society for Knowledge Processing and Management” - IIT-BAS Research Project No. 010061.In the presented paper we scrutinize the persistence facilities provided by the WSMO API reference implementation. It is shown that its current file data-store persistence is not very reliable by design. Our ultimate goal is to explore the possibilities of extending the current persistence implementation (as an easy short-run solution) and implementing a different persistent package from scratch (possible long-run solution) that is more reliable and useful. In order to avoid “reinventing the wheel“, we decided to use relational database management system to store WSMO API internal object model. It is shown later that the first task can be easily achieved although in not very elegant way, but we think that the later one requires some changes in the WSMO API to smooth out some inconsistencies in the WSMO API specification in respect to other widely used Java technologies and frameworks

MIXED INFLUENZA-ADENOVIRAL INFECTIONS AMONG WORKING STAFF DURING THE PERIOD 1975—1979

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Особенности спинальной анестезии у пациентов, регулярно употребляющих КАТ (Catha Edulis Forskal)

Objective: to study the course of spinal anesthesia in regular users of CAT (Catha edulis Forskal). Subjects and methods. The course of spinal anesthesia was studied in 75 patients in relation to the degree of drug dependence in patients with a national habit to chew systematically CAT, the herbal psychogenic stimulant (pseudoephedrine, amphetamine). According to the dependence and clinical manifestations, all the patients were divided into 3 groups. Results. During spinal anesthesia, arterial hypotension and tachycardia were more common in Group 1 and control patients. Groups 2 and 3 patients with baseline hypertonus of the sympathetic nervous system showed a more significant resistance of indices at this stage and virtually needed no ephedrine administration. The time course of changes in the Cardo autonomic index practically corroborated this regularity. However, in the immediate postoperative period, Group 3 patients’ condition is characterized by the signs of functionally exhausted tone of the sympathetic nervous system, as appear as the signs of discomfort, withdrawal syndrome, respiratory and circulatory disorders, urinary retention, enteroparesis, which require active therapy in an intensive care unit. Thus, Groups 2 and 3 patients have a false temporary intraoperative resistance of hemodynamic parameters and psychoemotional status, which are more dramatically observed in the postoperative period. Key words: spinal analgesia, CAT as a psychogenic stimulant, amphetamine, pseudoephedrine, withdrawal syndrome.Цель исследования — особенности течения спинальной анестезии у лиц, регулярно употребляющих КАТ. Материал и методы. У 75 пациентов исследовали особенности течения спинальной анестезии в зависимости от степени лекарственной зависимости пациентов, с национальной привычкой систематически жевать «КАТ» — психогенный стимулятор растительного происхождения (псевдоэфедрин, амфетамин). По степени зависимости и клиническим проявлениям все пациенты разделены на 3 группы. Результаты. Артериальная гипотония и тахикардия при спинальной анестезии была чаще выражена у пациентов 1-й группы и контрольной группы. Пациенты 2-й и 3-й группы с исходно повышенным тонусом симпатической нервной системы проявляли более выраженную устойчивость показателей на данном этапе и практически не нуждались во введении эфедрина. Динамика показателей ВИК (вегетативного индекса Кэрдо) практически подтвердила эту закономерность. Однако в ближайшем послеоперационном периоде состояние пациентов 3-й группы характеризуется признаками функционального истощения тонуса симпатической нервной системы, выражается признаками дискомфорта, абстиненцией, нарушением дыхания, кровообращения, задержкой мочи, пареза кишечника, что требует активной терапии в условиях отделения реанимации. Таким образом, пациенты 2-й и 3-й групп проявляют признаки «ложной» временной интраоперационной устойчивости показателей гемодинамики и психо-эмоционального статуса, которые более драматично раскрываются в послеоперационном периоде. Ключевые слова: спинальная анестезия, КАТ-психогенный стимулятор, амфетамин, псевдоэфедрин, абстиненция

Variable Stars in Galactic Globular Clusters

Based on a search of the literature up to May 2001, the number of known variable stars in Galactic globular clusters is approximately 3000. Of these, more than 2200 have known periods and the majority (approximately 1800) are of the RR Lyrae type. In addition to the RR Lyrae population, there are approximately 100 eclipsing binaries, 120 SX Phe variables, 60 Cepheids (including population II Cepheids, anomalous Cepheids and RV Tauri) and 120 SR/red variables. The mean period of the fundamental mode RR Lyrae variables is 0.585, for the overtone variables it is 0.342 (0.349 for the first-overtone pulsators and 0.296 for the second-overtone pulsators) and approximately 30% are overtone pulsators. These numbers indicate that about 65% of RR Lyrae variables in Galactic globular clusters belong to Oosterhoff type I systems. The mean period of the RR Lyrae variables in the Oosterhoff type I clusters seems to be correlated with metal abundance in the sense that the periods are longer in the more metal poor clusters. Such a correlation does not exist for the Oosterhoff type II clusters. Most of the Cepheids are in clusters with blue horizontal branches.Comment: 45 pages, 10 figures, to be published in AJ November 200

Editorial doi:10.1093/rheumatology/ket177

Is the presence of sleep apnoeahypopnoea syndrome a precursor for gout? The importance of a relationship between gout and SAHS This editorial refers to Gout, hyperuricaemia, sleep apnoeahypopnoea syndrome and vascular risk, by Miguel Cantalejo Moreira et al., doi: 10.1093/rheuma-tology/kes418. Sleep apnoeahypopnoea syndrome (SAHS) is character-ized by periodic apnoea that is associated with cyclical changes in arterial oxygen saturation (SaO2). In SAHS, Hasday and Grum [1] were the first to measure the over-night change of urinary uric acid secretion and report that it could be a good index of tissue hypoxia. However, the validation of this index has not been confirmed by subse-quent studies [2], as this index remained normal in som

Metric-Based Inductive Learning Using Semantic Height Functions

In the present paper we propose a consistent way to integrate syntactical least general generalizations (lgg's) with semantic evaluation of the hypotheses. For this purpose we use two different relations on the hypothesis space -- a constructive one, used to generate lgg's and a semantic one giving the coverage-based evaluation of the lgg. These two relations jointly implement a semantic distance measure. The formal background for this is a height-based definition of a semi-distance in a join semi-lattice. We use some basic results from lattice theory and introduce a family of language independent coverage-based height functions

Coverage-based semi-distance between Horn clauses

Abstract. In the present paper we use the approach ofheight functions to de ning a semi-distance measure between Horn clauses. This appraoch is already discussed elsewhere in the framework of propositional and simple rst order languages (atoms). Hereafter we prove its applicability for Horn clauses. We use some basic results from lattice theory and introduce a family of language independent coverage-based height functions. Then we show how these results apply to Horn clauses. We also show anexample of conceptual clustering of rst order atoms, where the hypotheses are Horn clauses.