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A web platform for psychological research needs a single format of questionnaire tests to ensure interaction between its components. The study proposes a general test structure, variant questions, variations in response types, and an embedded domain-specific language for computations. The use of JSON is proposed and justified to store the hierarchical structure of the questionnaire test, and JSON Schema is defined as a technology suitable for the formation of the standard. From the considered validation instruments for compliance with the standard described in JSON Schema, ajv was defined as the most applicable to the task. To build the documentation, Doca is relevant, but this tool needs to be modified to meet the requirements of the task.

Predictive learning services perform aggregation and homogenization of open data from public sources, in particular from the online recruitment agencies. However, the sample of vacancies may contain various percentage of noise due to the frequent occurrence of homonyms. This article will consider two approaches of noise reduction: the first one is based on the cosine similarity and the second one is based on the contextual words.

This article is devoted to contemporary methods of risk management under the conditions of crisis on financial markets. The article deals with developing the new approaches to studying finance and financial markets. It outlays new methods to compare fundamental events and their technical interpretation shown on quotation charts. It also introduces recommendations as to improve the risk management’s efficiency of financial markets’ participants.

At the present time the technology market is constantly growing, new technologies emerge every day so it makes it hard to track all of them and evaluate their potential. As the retraining process takes significant time, the acute need to change the staff training approach from reactive to proactive arises. There are services for monitoring and modeling purposes developed by Quid, Owlin, Djinni. Another approach is the expert analysis. But every of the defined information sources has its drawbacks, which leads to a decision to develop a software and mathematical solution. The article suggests methods of skills demand monitoring for the IT sector, based on comprehensive monitoring of the Web, including employers’ demands, company history and publications.