In this paper, we describe Wi-Fi based indoor positioning system solution that works without GPS. The solution allows to locate user in office-spaces and warehouses, and requires only an

Indoor acoustic environment has become a critical factor in architectural design, and some researchers argued that the reactions from people of varied age, gender, etc. to indoor noise should be considered. While office staff along metro lines get used frequent noise, their perceptions, which are supposed different non-office staff, need clearly examined. Based on on-site physical measurements ...

Plug load energy consumption represents up to 40% of the total energy consumption in efficient buildings. Occupant behavior has a huge impact on plug load energy consumption. Studies have shown that up to 40% plug load energy savings can be achieved through users’ engagement in sustainable behaviors. To save energy from plug loads, either a company can replace their appliances with more efficie...

In this study, an investigation was conducted into the extent to which ergonomic requirements for work on computers are met in Greek office workstations. The ergonomic requirements considered were those included in Council Directive 90/270/EEC (1990) of the European Union and the ISO 9241 (1997) standard. 593 office workstations were assessed using an assessment tool consisting of 70 assessment...

Collaborative work with office suite documents such as word-processing, spreadsheet and presentation files usually demands special tools and methods. For this application, we have developed TellTable, a relatively simple web-based framework built largely from available software and infrastructure. TellTable allows the use of existing office-suite software in a collaborative manner that is contr...