abstract this study was an attempt to investigate the effect of collaborative form-focused activities on grammar learning of elementary efl learners. to this end, 58 adult male iranian efl learners at elementary level of proficiency in three classes of language institutes were chosen. they formed the three groups of the study. the grammar section of cambridge michigan placement test was used to...

This paper reports on considerations and steps towards standardization [2] of the collaborative learning environment. This standardization will extend and widen the field of applications possible within the collaborative learning paradigm, and will make possible the usage of the fruits of years of research and individual implementations of the concept of collaborative learning, from our own lab...

We consider distributed collaborative control and sensing as they frequently arise in networked control systems. The algorithms are constrained to use local information. We show by experiments that the performance of such distributed, local information based algorithms, can depend dramatically on the structure of the underlying topology (connectivity pattern) of the agents. We investigate the s...

OBJECTIVE Collaborative governance is the decision-making process that places the authority, responsibility, and accountability for patient care with the practicing clinician. BACKGROUND Collaborative governance was introduced as one of nine structures within the patient care services' professional practice model to facilitate communication and optimize staff participation in decision-making ...

Distributed product development requires collaborative work among team members. For the sake of supporting assembly planning activities involving geographically dispersed designers, this paper presents an approach of collaborative assembly sequence planning to validate the assemblability of parts and subassemblies rapidly. In order to increase the planning efficiency and support the collaborati...

This paper describes the use of experiential learning theory in the development of an undergraduate subject in collaborative systems. The purpose of the subject was to introduce students to the design, development and use of collaborative systems in organizational environments. Early in the subject’s development it was decided that in order for students to gain a deeper understanding of the iss...

BACKGROUND Recently, sparse unmixing has been successfully applied to spectral mixture analysis of remotely sensed hyperspectral images. Based on the assumption that the observed image signatures can be expressed in the form of linear combinations of a number of pure spectral signatures known in advance, unmixing of each mixed pixel in the scene is to find an optimal subset of signatures in a v...

For many years, researchers and software developers have been seeking to develop systems and applications to enable efficient and effective group work and organizational memory. The systems proposed and developed have in many respects had little impact on the effectiveness of group activities outside the laboratory. Other researchers have identified many of the challenges that groupware systems...