In this paper we would like to introduce some of the best practices of using semantic markup and its significance in the success of web applications. Search engines are one of the best ways to reach potential customers and are some of the main indicators of web sites' fruitfulness. We will introduce the most important semantic vocabularies which are used by Google and Yahoo. Afterwards, we will...

This study measures the frequency in which search engines update their indices. Therefore, 38 websites that are updated on a daily basis were analysed within a time-span of six weeks. The analysed search engines were Google, Yahoo and MSN. We find that Google performs best overall with the most pages updated on a daily basis, but only MSN is able to update all pages within a time-span of less t...

This research investigates the design of a unified framework for the content-based classification of highly imbalanced hierarchical datasets, such as web directories. In an imbalanced dataset, the prior probability distribution of a category indicates the presence or absence of class imbalance. This may include the lack of positive training instances (rarity) or an overabundance of positive ins...

Problems and strategies for text classification have already been known a long time. Theyre widely utilised by companies like Google Yahoo email spam screening, sentiment analysis of Twitter data, automatic news categories in alerts. Were still working on getting the findings to be as accurate possible. When dealing with large amounts however, models performance accuracy become difficulty. The ...

purpose: the purpose of the present study is to investigate the image search and retrieval problems in selected search engines in relation to the persian writing style challenges. methodology: this study is an applied one. in orderto answer the questions an evaluative method and direct observation were used. the aim of the research is to explore the morphological and semantic problems of persia...

this research aims to investigate visibility, web impact factor (wif), rwif and the collaboration rate of the websites of the iranian universities dominated by the ministry of science, research and technology (msrt), and health and medical education (mhrme), using an analysis of the various links among these websites and webometrics. from all 119 websites belonging to the iranian universities, ...