In this paper, we present selected findings from our usage analysis of an online English Language Teaching (ELT) workbook. We focus on how teachers assign activities and how learners complete them.

All undergraduate and postgraduate students of the Hellenic Open University (HOU) attend courses at a distance. The lack of a live academic community is reported by many as a drawback in their studies. Systematic exploitation of new communication and collaboration technologies is desirable in HOU but cannot be imposed universally as the average student’s IT competence level is relatively low. I...

There is not much drug use at school, but reservation youth are most likely, non-reservation Indian youth next most likely, and non-Indian youth least likely to have used drugs at school. Alcohol and drugs are used most frequently at weekend parties and at night with friends. Reservation youth are twice as likely as the others to have used alcohol while driving around and three times more likel...

This paper describes a measurement-based performability model based on error and resource usage data collected on a multiprocessor system. A method for identifying the model structure is introduced and the resulting model is validated against real data. Model development from the collection of raw data to the estimation of the expected reward is described. Both normal and error behavior of the ...

Bibliometric and usage-based analyses and tools highlight the value of information about scholarship contained within the network of authors, articles and usage data. Less progress has been made on populating and using the author side of this network than the article side, in part because of the difficulty of unambiguously identifying authors. I briefly review a sample of author identifier sche...

Objective: To assess the interest of out-of-treatment methamphetamine-using men who have sex with men (MSM) seen at public health STD clinics in an intervention specifically targeting their drug use. Study Design: An anonymous, self-administered survey of MSM who use methamphetamine attending public health STD clinics in Seattle and San Francisco. Results: Among 174 men surveyed, 36% reported b...

The World Wide Web provides information for most tourist locations and thus has enormous influence on tourists’ decisions. However, Web applications rarely support all phases of tour planning. The city of Görlitz offers website visitors an opportunity to plan individual city tours in advance by specifying personal interests and tour preferences. Using this information, the system creates a pers...