Hybrid ASP

This paper introduces an extension of Answer Set Programming (ASP) called Hybrid ASP which will allow the user to reason about dynamical systems that exhibit both discrete and continuous aspects. The unique feature of Hybrid ASP is that it allows the use of ASP type rules as controls for when to apply algorithms to advance the system to the next position. That is, if the prerequisites of a rule are satisfied and the constraints of the rule are not violated, then the algorithm associated with the rule is invoked

Джеспилиты Ингулецкого месторождения и продукты их гипергенного изменения в связи с проблемой усовершенствования технологии переработки труднообогатимых железных руд

Mineralogical, geochemical and spectroscopic characteristics of hardly enrichable ferruginous quartzites of the Krivoy Rog iron ore basin are discussed. The results of the study of mineral and chemical composition, assortment and content of microelements, and crystallochemistry of iron are considered. The results of pioneer experiments on thermo magnetization of the ore in order to create a scientific background for improving the processing technology of different iron ore and iron aluminum materials.Обсуждаются минералого-геохимические и спектроскопические особенности труднообогатимых железистых кварцитов из Криворожского железорудного бассейна. Рассмотрены результаты изучения минерального и химического состава, ассортимента и содержания микроэлементов, кристаллохимии железа. Приведены данные пионерских экспериментов по термоомагничиванию руд в целях создания научных предпосылок для совершенствования технологии переработки в настоящее время выбраковывающегося железорудного и железоалюминиевого сырья

tert-Butyl N-[3-hy­droxy-1-phenyl-4-(pyrimidin-2-ylsulfan­yl)butan-2-yl]carbamate monohydrate

In the title hydrate, C19H25N3O3S·H2O, the configuration at each chiral centre in the organic mol­ecule is S, with the hy­droxy and carbamate substituents being anti [O—C—C—N torsion angle = −179.3 (3)°]. The thio­pyrimidyl and carbamate residues lie to one side of the pseudo-mirror plane defined by the C5S backbone of the mol­ecule; this plane approximately bis­ects the benzene ring at the 1- and 4-C atoms. The dihedral angle formed between the terminal rings is 5.06 (18)°. In the crystal, supra­molecular tubes aligned along the b axis are found: these are sustained by a combination of O—H⋯O, O—H⋯N and N—H⋯O hydrogen bonds

N-{(2S)-3-Hy­droxy-4-[(5-methyl-1,3,4-thia­diazol-2-yl)sulfan­yl]-1-phenyl-2-but­yl}-4-methyl­benzene­sulfonamide

The thia­diazoyl and sulfonyl-benzene rings in the title compound, C20H23N3O3S3, are aligned to the same side of the mol­ecule, forming a twisted ‘U’ shape [dihedral angle = 77.6 (5)°]. The benzyl-benzene ring is orientated in the opposite direction from the mol­ecule but projects approximately along the same axis as the other rings [dihedral angle between benzene rings = 28.2 (5)°] so that, overall, the mol­ecule has a flattened shape. The hy­droxy and amine groups are almost syn which enables the formation of inter­molecular hy­droxy-OH⋯N(thia­diazo­yl) and amine-H⋯O(sulfon­yl) hydrogen bonds leading to a supra­molecular chain aligned along the a axis

svmPRAT: SVM-based Protein Residue Annotation Toolkit

<p>Abstract</p> <p>Background</p> <p>Over the last decade several prediction methods have been developed for determining the structural and functional properties of individual protein residues using sequence and sequence-derived information. Most of these methods are based on support vector machines as they provide accurate and generalizable prediction models.</p> <p>Results</p> <p>We present a general purpose protein residue annotation toolkit (<it>svm</it><monospace>PRAT</monospace>) to allow biologists to formulate residue-wise prediction problems. <it>svm</it><monospace>PRAT</monospace> formulates the annotation problem as a classification or regression problem using support vector machines. One of the key features of <it>svm</it><monospace>PRAT</monospace> is its ease of use in incorporating any user-provided information in the form of feature matrices. For every residue <it>svm</it><monospace>PRAT</monospace> captures local information around the reside to create fixed length feature vectors. <it>svm</it><monospace>PRAT</monospace> implements accurate and fast kernel functions, and also introduces a flexible window-based encoding scheme that accurately captures signals and pattern for training effective predictive models.</p> <p>Conclusions</p> <p>In this work we evaluate <it>svm</it><monospace>PRAT</monospace> on several classification and regression problems including disorder prediction, residue-wise contact order estimation, DNA-binding site prediction, and local structure alphabet prediction. <it>svm</it><monospace>PRAT</monospace> has also been used for the development of state-of-the-art transmembrane helix prediction method called TOPTMH, and secondary structure prediction method called YASSPP. This toolkit developed provides practitioners an efficient and easy-to-use tool for a wide variety of annotation problems.</p> <p><it>Availability</it>: <url>http://www.cs.gmu.edu/~mlbio/svmprat</url></p

International periodic fever, aphthous stomatitis, pharyngitis, cervical adenitis syndrome cohort: description of distinct phenotypes in 301 patients.

OBJECTIVES: The aims of this study were to describe the clinical features of periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) and identify distinct phenotypes in a large cohort of patients from different countries. METHODS: We established a web-based multicentre cohort through an international collaboration within the periodic fevers working party of the Pediatric Rheumatology European Society (PReS). The inclusion criterion was a diagnosis of PFAPA given by an experienced paediatric rheumatologist participating in an international working group on periodic fever syndromes. RESULTS: Of the 301 patients included from the 15 centres, 271 had pharyngitis, 236 cervical adenitis, 171 oral aphthosis and 132 with all three clinical features. A total of 228 patients presented with additional symptoms (131 gastrointestinal symptoms, 86 arthralgias and/or myalgias, 36 skin rashes, 8 neurological symptoms). Thirty-one patients had disease onset after 5 years and they reported more additional symptoms. A positive family history for recurrent fever or recurrent tonsillitis was found in 81 patients (26.9%). Genetic testing for monogenic periodic fever syndromes was performed on 111 patients, who reported fewer occurrences of oral aphthosis or additional symptoms. Twenty-four patients reported symptoms (oral aphthosis and malaise) outside the flares. The CRP was &gt;50 mg/l in the majority (131/190) of the patients tested during the fever. CONCLUSION: We describe the largest cohort of PFAPA patients presented so far. We confirm that PFAPA may present with varied clinical manifestations and we show the limitations of the commonly used diagnostic criteria. Based on detailed analysis of this cohort, a consensus definition of PFAPA with better-defined criteria should be proposed