An inverted index is a core data structure of Information Retrieval systems, especially in search engines. Since the search environments have become more dynamic, many on-line index maintenance strategies have been proposed. Previous strategies were designed for HDDs. Consequently, in order to avoid expensive random access cost, Merge-based strategies have been preferred to In-place index updat...

the national bridge stock of iran consists of about 330,000 bridges, of which around 50% are older than 30 years. since 2010, iran road maintenance & transportation organization has started implementing a comprehensive bridge management system in order to manage this aged stock efficiently. to predict future conditions of bridge stock, a heuristic numerical method is presented. this methodology...

The increase of awareness with sustainability and the desire reducing energy consumption in construction sector haved increased application External Thermal Insulation Composite Systems (ETICS) across Europe last decades. Nevertheless, implementation appropriate maintenance strategies is still neglected. aim this study to analyse impact different strategies. For that purpose, a condition-based ...

Abstract. Current approaches to maintenance of rolling stock bogies are focused on compliance wear limits as stipulated by OEM specifications. recommendations critical providing an industry wide approach safety and compliance. These not operation specific often the most cost-effective solutions. A system reliability is established that applied in less complex systems where relationships between...