The project "Data Center for Nature and Landscape" of the Swiss Federal Research Institute for Forest, Snow and Landscape is designed to provide a comprehensive storage and retrieval system for environmental data in a process oriented database model. This model also reflects the lineage or history of data sets. One of the major goals is the publication of heterogeneous data such as spatial-, ta...

With the development and popularization of Internet, The research focuses on how to get the requirement quickly and exactly from a large number of information. Using ontology provides a new intelligent searching method based on Web. In this paper, According to ontology theory of agriculture's characters and combining with the major of soil and agricultural chemistry, the retrieval system took t...

The World Wide Web can serve as a complete learning and educational environment. Testing and assessment are value-added services in a learning procedure, which aim at evaluating and measuring the outcomes of learning experiences. Developing tests in an instructional efficient and effective manner is a difficult task, especially when this is implemented over the web. The adequate provision of fe...

Modern technologies allow web sites to be dynamically managed by building pages on-the-fly through scripts that get data from a database. Dissociation of data from layout directives provides easy data update and homogeneous presentation. However, many web sites still are made of static HTML pages in which data and layout information are interleaved. This leads to out-of-date information, incons...

In this paper, we propose a new Genetic Algorithm for JSP using two crossovers. The crossover, JOX, obtained relatively good results, however o spring generated by JOX exist around parents or within an intermediate area of them. This feature of JOX induces a convergence of the whole population. To deal with this fault of JOX, we propose a complementary combination of two crossovers. One is JOX,...

Originally puzzles were not for recreation, but serious questions you might be killed if you couldn’t solve them. But in modern times, puzzles had become a sort of recreation, decreasing the seriousness and religiousness gradually. Now, the ‘rule creators’ of puzzles began to attract notice. I, as a rule creator, published a book, Kyoto University Student, Higashida’s Puzzles. I’ll show several...

BACKGROUND It has been reported that the tumor suppressor gene, PTEN, which is inactivated in many malignant tumors, plays an important role in apoptosis, cell cycle arrest, cell migration, and cell spread. For cancer gene therapy, one of the most important problems is low gene transfection efficiency. METHODS In the present study, to take full advantage of adenovirus in gene expression, we p...

background: citation metrics and total publications in a field has become the gold standard for rating researchers and viability of a field. hence, stimulating demand for citation has led to a search for useful strategies to improve performance metric index. meanwhile, title, abstract and morphologic qualities of the articles attract researchers to scientific publications. yet, there is relativ...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 introduction: some of the most frequently used webometric indicators for evaluating and ranking academic web sites are web impact factor, number of web pages and number of inlinks. the present study evaluated and ranked top iranian medical universities according to the webometric indicators. methods: the present cross-sect...