نتایج جستجو برای: opposition based learning

تعداد نتایج: 3323285  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده ادبیات، زبانهای خارجی و تاریخ 1391

the present study sought to examine whether a task-based approach could have an impact on raising awareness of collocations. moreover, it sought to investigate the facilitative role of consciousness-raising tasks of collocations in the communicative instances of use. to this end, 68 intermediate learners of english were selected via a placement test. the participants were taught with classroom ...

Journal: :Iet Control Theory and Applications 2022

Salp swarm algorithm (SSA) is a relatively new bio-inspired meta-heuristic optimization that mimics the navigating and foraging behavior of salps in oceans. This paper presents an orthogonal quasi-opposition-based learning-driven dynamic SSA (OBDSSA) for solving global problems. The proposed methodology integrates learning (OQOBL) tactic (DL) strategy with to improve its performance. OQOBL tech...

Journal: :Inf. Sci. 2008
Mario Ventresca Hamid R. Tizhoosh

In this paper we propose a new probability update rule and sampling procedure for population-based incremental learning. These proposed methods are based on the concept of opposition as a means for controlling the amount of diversity within a given sample population. We prove that under this scheme we are able to asymptotically guarantee a higher diversity, which allows for a greater exploratio...

Journal: :Swarm and evolutionary computation 2021

A fast and efficient stochastic opposition-based learning (OBL) variant is proposed in this paper. OBL a machine concept to accelerate the convergence of soft computing algorithms, which consists simultaneously calculating an original solution its opposite. Recently, called BetaCOBL was proposed, capable controlling degree opposite solutions, preserving useful information held by preventing was...

Journal: :Atmosphere 2021

There is an important significance for human health in predicting atmospheric concentration precisely. However, due to the complexity and influence of contingency, prediction a challenging topic. In this paper, we propose novel hybrid learning method make point interval predictions PM2.5 simultaneously. Firstly, optimize Sparrow Search Algorithm (SSA) by opposition-based learning, fitness-based...

Journal: :acta medica iranica 0
soheil peiman department of internal medicine, school of medicine, tehran university of medical sciences. tehran, iran. azim mirzazadeh department of internal medicine, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran. and department of internal medicine, health professions education research center, tehran university of medical sciences, tehran, iran. and department of medical education, school of medicine, tehran university of medical sciences, tehran, iran. maryam alizadeh department of medical education, school of medicine, tehran university of medical sciences, tehran, iran. sara mortaz hejri department of medical education, health professions education research center, tehran university of medical sciences, tehran, iran. mohammad-taghi najafi department of nephrology, nephrology research center, tehran university of medical sciences, tehran, iran. abbas tafakhori department of neurology, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran. and department of neurology, iranian center of neurological research, tehran university of medical sciences, tehran, iran.

to present a multiple-instructor, active-learning strategy in the undergraduate medical curriculum. this educational research is a descriptive one. shared teaching sessions, were designed for undergraduate medical students in six organ-system based courses. sessions that involved in-class discussions of integrated clinical cases were designed implemented and moderated by at least 3 faculties (c...

Journal: :JIPS 2017
Yugal Kumar Gadadhar Sahoo

Clustering is a NP-hard problem that is used to find the relationship between patterns in a given set of patterns. It is an unsupervised technique that is applied to obtain the optimal cluster centers, especially in partitioned based clustering algorithms. On the other hand, cat swarm optimization (CSO) is a new metaheuristic algorithm that has been applied to solve various optimization problem...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...

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