Information integration has a long history since humans started using and collecting information. But, it been strong focus of IT research many recent years. It deals with providing unified transparent access to collection heterogeneous data sources. In information integration, the formulization global schema is difficult task that manages multiple, autonomous This paper presents semantic syste...

In the present study, an exploratory approach (Oxford, Cho, Leung & Kim, 2004) to language learning is adopted which holds that the number and type of strategies used by Iranian learners might vary with respect to the difficulty of task and their L2 proficiency. In this regard, the term task is defined, its leading dimentions and charecteristics are put forward, and the nature of learning start...

The Equal Employment Opportunity Commission (EEOC) has experienced dramatic backlogs of pending charges over the years. In 1977, the backlog reached an all-time high of 130,000 cases pending. Recently, the EEOC announced that the backlog had been reduced to 29,890 cases. A significant portion of this reduction is attributab le to an increased use of mediation. During FY 2001, 7,800 of the 94,59...

the present research was an attempt to provide new evidence for the efficacy of task-based techniques to speaking proficiency development. the primary focus of the study was to investigate the effects of task-based techniques on speaking proficiency development. in the second place, it tried to scrutinize the effect of gender on speaking proficiency development under task-based principles of la...

Self-assessment and task-based assessment have recently attracted attention in language learning and testing contexts worldwide; however, little research has been carried out to document the link between these notions. The present research was an attempt to investigate the connection between task-free/task-based self-assessment and learners’ self-perceived communicative competence in speaking. ...

objective(s) tuberculosis (tb) is the leading cause of mortality among the infectious diseases, especially in developing countries. one of the main goals in tuberculosis research is to identify antigens which have the ability of inducing cellular and/or humoral immunity in order to use them in diagnostic reagents or vaccine design. the aim of this study was to clone and express the tb'0.4 ...

The majority of tuberculosis (TB) cases in the United States are attributable to reactivation of latent TB infection (LTBI) (1). LTBI refers to the condition when a person is infected with Mycobacterium tuberculosis without signs and symptoms, or radiographic or bacteriologic evidence of TB disease. CDC and the U.S. Preventive Services Task Force (USPSTF) recommend screening populations at incr...

The present study is an attempt to shed light on the effect of Dynamic Assessment (DA) on diagnosing and developing the receptive vocabulary abilities of upper-intermediate learners learning English as a foreign language. Fifty L2 leaners participated in the First Certificate in English test and completed Vocabulary Knowledge Scale. Out of 50 students, ten learners who were identified as being ...