English is an analytical language, so in English, the word order is important for understanding sentences and phrases. Practicing construpcting noun phrases with the correct order of adjective requires constant practice with feedback. As teachers' time for verifying assignments is limited, we propose to use a tutoring system, which can generate step-by-step feedback. It will help students develop the skill of arranging adjectives in the correct order.
Keywords: tutoring system, ontological modeling, natural language processing, English, adjective order, hypernyms, automated verification of the learners' answers
This article describes the developed tool for creating a report on the effectiveness of sales channels for the hierarchical structure of sales channels. The developed model for the report on sales channels takes into account the type of source, the criterion for the freeness of the sales channel, the source of traffic and the source of customers themselves. The ROI is estimated and customer conversion activity data is tracked. The article also describes the results of the implementation of the model and its use.
Keywords: sales channel, meta-information, contextual advertising, call tracking, ROI, Google AdWords, Yandex.Direct
This paper describes the problems of identifying effective sales channels for services working with a call center. The solution is presented in the form of a multi-level model of sales channels that works with call tracking with a limited number of phone numbers. This approach can be applied in services of small and medium-sized businesses, which cannot afford a large number of phone numbers for call tracking.
Keywords: sales channel, contextual advertising, call tracking, call center, marketing, Yandex Direct, Google AdWords
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