Message Format Research Articles

Formalized description of flight dispatchers’ activities with slot messages

The article is devoted to the analysis of the flight dispatchers’ complex activities while working with messages on the organization of air traffic flows. Based on expert information, typical operation situations in the airline have been identified, the probabilities of their occurrence have been determined. The decomposition scheme and algorithms of flight dispatchers’ activity while working with the messages concerning slots have been made. The description of flight dispatchers’ activity with messages on the organization of air traffic flows using the decomposition procedure and flowcharts of algorithms has been analysed and worked out. Flight dispatchers process a lot of different information, while performing many professional tasks: obtaining information, encoding and decoding data and disseminating processed information as air traffic flows messages; interaction with the Aeronautical Information Service and others and it can often occur in a time and deficit mode. The training factor while dealing with professional duties is important to reduce and avoid errors, so it is necessary to analyze this complex activity of compiling, transmitting and disseminating information on the organization of air traffic flows and systematize it. Such systematization will be the basis for the creation of algorithms and models of flight dispatchers’ activity concerning messages on the organization of air traffic flows. Decomposition schemes and algorithmic descriptions have been developed and they characterize the field of air traffic flows organization in terms of the airline specialists’activities at two main levels of planning: pre-tactical and operational. The decomposition has been analyzed at some levels such as airline specialists dealing with the organization of air traffic flows according to the planning stage, typical operation situations, type of work with the message (receipt and analysis; formation of the relevant message). These developments can be used in conducting training lessons with cadets during their professional training. Further areas of work are considered to be methodical work with the obtained research results in order to implement them in the training of future flight dispatchers. Key words: flight dispatchers, slot, algorithm, decomposition, typical operation situations

ОПЫТ ВНУТРИРЕГИОНАЛЬНОГО АНАЛИЗА ОБРАЗОВ ТЕРРИТОРИИ В ДИСКУРСЕ СОЦИАЛЬНЫХ МЕДИА (НА ПРИМЕРЕ СЕВЕРО-КАВКАЗСКОГО ФЕДЕРАЛЬНОГО ОКРУГА)

The article examines the territorial features of the representation of the municipalities of the North Caucasus Federal District in leading social media. We analyze the main approaches to defining the geographical image of a territory; explore the theoretical foundations underlying the study of social media from the perspective of geographical science; identify a set of research terms and concepts used to analyze images of territories in social media. The paper proposes a new method of multi-scale monitoring of the territory’s image in social media, which can be adapted for other regions of Russia. The analysis of information in social media makes it possible to identify the peculiarities of the representation of a particular territory, as well as the mental connections between municipalities, cities, regions, and the degree of their influence on the geographical image of each other. With the data collected by the Medialogia information and analytical system, the geography of publications, their authors, their audience at the federal, regional, and local levels were studied. Based on this material, the intensity, both absolute and relative, and the tonality of the information flow for each municipality of the North Caucasus Federal District were determined. The leading regional centers for the formation of social media content were identified. The most frequently mentioned topics, words, and hashtags in relation to each territory were considered. A geographical analysis of the features of the formation of information messages was carried out, which made it possible to identify territories with a predominance of an external or internal image. On the basis of the analysis, the characteristic types of the information flow structure were proposed. The main problems of forming a positive image of the North Caucasus territory in social media are were identified. The results obtained are of practical significance for territorial branding and promotion of the region's territories in social media.

Free-Space Communication With Directly Modulated Mid-Infrared Quantum Cascade Devices

This study deals with the communication capabilities of two kinds of semiconductor lasers emitting in one of the atmosphere transparency windows, around 4 μm. One of these two lasers is a quantum cascade laser and the other one is an interband cascade laser. With the quantum cascade laser, a subsequent attenuation is added to the optical path in order to mimic the attenuation of free-space transmission of several kilometers. Direct electrical modulation is used to transmit the message and two-level formats, non-return-to-zero and return-to-zero, are used and compared in terms of maximum transmission data rate. The sensitivity to optical feedback is also analyzed, as well as the evolution of the error rate when reducing the optical power at the level of the detector. This work provides a novel insight into the development of future secure free-space optical communication links based on mid-infrared semiconductor lasers and sheds the light on improvements required to achieve multi-Gbits/s communication with off-the-shelf components.

Analysis of Communication Protocol Standard for Conductive Charging of Electric Vehicles Based on GB/T 27930-2015

GB/T 27930-2015 named Communication Protocol Between Off-board Conductive Charger and Battery Management System of Electric Vehicles is one of the most important standards in the field of conductive charging of electric vehicles in China. In order to help relevant industries, enterprises and users better understand the standard, its scope of application, communication principle, typical communication process, as well as communication message format and content were introduced in this paper. Based on a group of communication messages collected by a “real vehicle-virtual charger” test platform, the analytic method of the message was given.

Modbus Protocol Performance Analysis in a Variable Configuration of the Physical Fieldbus Architecture

Few developments have changed the evolution of the automation process as substantially as the development of industrial local area networks and communication protocols. Especially fieldbus systems, networks created for the lowest levels of the automation hierarchy, have an enormous influence on the flexibility and performance of modern automation systems in all application areas. The technique of updating data on Modbus type devices involves a procedure of reading data at regular time intervals called pooling. Some automation processes include interdependence between different control variables belonging to different hardware devices. This paper presents and analyzes various scenarios related to a variable architecture configuration of physical modules based on Modbus communication protocol. The proposed Modbus Extension (ModbusE) concept is presented by defining the new optimized message format, and the structure of the acquisition cycle to obtain a deterministic temporal behavior, solutions for describing devices at the Modbus protocol level being presented. The status update of each Modbus module is done according to the address of the device, but also the number of registers per device. The paper analyses the worst-case scenario of communication involving Modbus devices on the same network and exchanging data corresponding to one or more server registers.

Implementation of on-chip high precision oscillators with RC and LC using digital compensation technique

<abstract> <p>High precision oscillators became a significant call for both designer and testing engineers. Modern vibrators are being utilized in a variety of circuits, and accessibility to a wide range of frequencies is of the utmost importance in all research establishments. To produce various frequencies, utilizing a single gadget is very challenging for the designers. This article aims to provide the low frequency (RC) oscillator and high frequency (LC) oscillators with various output frequencies on a single chip. The use of both oscillators is necessary due to the fact that there are currently no such devices on the market, which makes it necessary to avoid using bulky recurrence generator hardware in order to facilitate rapid exploration and plausibility research. Here, a RC oscillator with high current accuracy and a LC oscillator with low force have been used to design a voltage controlled oscillator (VCO) IC by utilizing the Cadence 45 nm technology. This particular VCO IC is able to obtain two different frequencies with reasonable precision. Further, execution is completed by utilizing exclusive requirement inconsistent message format designing<italic>.</italic> This proposed work can be used at both audio frequency and radio frequency ranges from megahertz (MHz) to gigahertz (GHz).</p> </abstract>

IEEE 1588-Based Timing and Triggering Prototype for Distributed Power Supplies in HIAF

In High-Intensity Heavy Ion Accelerator Facility (HIAF), a high precision timing system is necessary because highly synchronous triggering of distributed power supply is essential for the facility operation. To obtain a cost-effective local area timing system, a nanosecond-accuracy private synchronization approach based on IEEE 1588 protocol is proposed. Instead of Ethernet protocol usually used, universal asynchronous transceiver protocol over dedicated optical fiber is applied in the method to avoid the uncertain delay in Ethernet architecture. Besides, the timing system simplifies the communication message formats and increases synchronization frequency to 1 kHz to reduce the timing deviation due to oscillator frequency deviation. The test results show that the implementation ensures a synchronization accuracy of better than ±10 nanoseconds with 2ppm temperature-compensation crystal oscillator for dozens of distributed power supply controllers.

Responses to e-cigarette health messages among young adult sexual minoritized women and nonbinary people assigned female at birth: Assessing the influence of message theme and format

BackgroundYoung adult sexual minority women (YSMW) report disproportionate e-cigarette (EC) use and low EC harm perceptions. Health messages that effectively communicate EC harms to YSMW are needed. We tested the effect of culturally targeted EC health messages with varying themes and image formats on attitudes and intentions to use ECs in this population. MethodsN = 501 YSMW and nonbinary people assigned female at birth (AFAB) aged 18–30 years-old completed an online experiment. Participants were randomized into a control or one of nine experimental conditions in a 3 (theme: harms, wellness, pride) by 3 (image format: individual, couple, cartoon) study design. We modeled associations between message condition and message effectiveness, discouragement from vaping, change in feelings toward vaping, perceived threat, and intentions to abstain from vaping. ResultsAmong YSMW and nonbinary people AFAB, harm and wellness themes discouraged vaping more than pride-themed messages (p’s < 0.001). Harms messages resulted in worse feelings about vaping than wellness and pride messages (p’s < 0.02). Images of couples were perceived as more effective than cartoon images (p = .008). Among current EC users, viewing images of individuals resulted in greater readiness to avoid ECs and higher intentions to abstain than the couple or cartoon conditions (p’s < 0.001). ConclusionsMessage theme and image format were associated with YSMW and nonbinary people AFAB’s EC attitudes and behavioral intentions. Future studies should evaluate how to optimize harms messages; including if wellness or pride messages can be re-framed to better affect EC use in this population.

«Technological paternalism»: current trends in domestic data journalism

The article considers the further growth of the role of big data in society, the widespread use of new practices and methods of obtaining information, such as profiling consumer information, biometric data, automation, new opportunities for news reporting. Modern journalistic practices of news information presentation journalism are discussed. Because big data-based algorithms, which have recently been widely implemented to «optimize the performance» of social networks and search engines, often determine what information will be displayed and which sites respond to search queries. By creating and training neural networks, our preferences are analyzed — likes, reposts, comments — and on this basis, an individual news feed is formed for each account. As a result, the views that users do not share are gradually disappearing from the feed, and those that they like are emerging. The news world is becoming comfortable and understandable. The combination of machine and journalistic selection results is particularly interesting through the prism of data journalism, as this type of journalistic activity can be seen as the result of journalistic and technological practices. Based on a qualitative statistical analysis of news sites, the study examines how data journalism works in the news cycle of professional newsrooms. In addition, the publication explores the innovations that data journalism brings to storytelling, news gathering, and dissemination. Through statistical analysis of the content of these Internet resources, a clear direction in the information policy of media companies to give preference to linear formats of information messages. This direction of consumer information is more effective compared to truly interactive and less paternalistic data journalism projects. Thus, paternalism is probably the best from a commercial point of view. Professional paternalism is an important source for maintaining journalistic autonomy, while in public debates and on technology platforms «bubble filters» and delegating decision-making to machines are considered negative paternalism. In an age when journalism merges with artificial intelligence and journalists and engineers create algorithms side by side to protect their immunity, journalists need to make sure that the audience is informed about the methodology, the validity of the choice of design in interactive programs, clearly motivated. In our opinion, problems arise only if the auditor (journalist or program / developer) does not pay attention to the difference between filtering and selection in different digital texts.

Acceptance of Health Messages Conveyed by Parasocial Opinion Leaders on Twitter among Followers

Social media does not only provide a space for individuals to communicate, but it also encourages individuals to find and share health information. This situation has led to a change in the patterns and functions of health opinion leaders that exist on social media. Health opinion leaders influence media users by sharing and delivering health information and are capable of fostering parasocial relationships with media users. Therefore, it is essential to investigate the process by which parasocial opinion leaders shape health messages on social media. In correspondence, this study sought to understand the level of acceptance of health messages among Twitter users of the information tweeted by parasocial opinion leaders. In-depth interviews were conducted on 25 followers of parasocial health opinion leaders on Twitter. This study found that the formation of health messages and information conveyed by parasocial health opinion leaders could influence their followers. Four forms of message reception were identified in this study: 1) information and complexity reduction (a description, information delivery style, information sharing, information, and health literacy, and correction of information and mythical perceptions), 2) health orientation, 3) stimulation of interest, and 4) strengthening of the image and ethics of professionalism. Additionally, this study also discovered that media users perceived health opinion leaders as mentors, family members, friends, and idols. Keywords: Health communication, opinion leader, parasocial opinion leaders, parasocial relationship, social media.

Valdai forum as a platform of political communication: articulation of cultural, spiritual and political traditions of Russia (a review of Valdai international club agenda)

The article represents the results of an actual analysis of the discussions on the site of the Valdai International Club over the past ten years in the context of the broadcast of the Russian message to the world as one of the instruments of Russian soft power. The author shows how the articulation of cultural, spiritual and political traditions of Russia occurs at the Valdai Forum as a platform for political communication and based on the appeal of the head of state to the problems of preserving cultural and national identity, forming a positive image of the state in the international arena, preserving national values and patriotic consciousness. A brief analysis is made of a number of fundamentally important thematic contours of the discussion by the Valdai Club members, which in recent years have become significant components of the formation of the Russian message to the world. Besides, the author substantiates the actualization of the concept of cultural imperative in the political science understanding of the cultural and value matrix of the Russian state and society in the Valdai discourse, and highlights an internal axiological aspect focused on civil-patriotic values, a sense of national identity, and the ideology of social justice.

Reviewing volcano hazard and risk communications in Ecuador: experiences from a fast-format workshop

Hazard and risk communication requires the design and dissemination of clear messages that enhance people’s actions before, during, and after volcanic crises. To create effective messages, the communication components such as message format and content, must be considered. Changes in technology are changing the way people communicate at an ever-increasing pace; thus, we propose revising the basic components of the communication process to improve the dialogue between scientists and the public. We describe communication issues during and outside volcanic crises in Ecuador and assess possible causes and consequences. These ideas were discussed during the short-duration “Volcano Geophysical Principles and Hazards Communications” Workshop in Baños, Ecuador in 2019. We review and propose communication strategies for volcanic hazards and risks that resulted from the workshop discussions and experiences of experts from the Instituto Geofísico (IG-EPN), local and international professors involved in volcano research and communication, and students from universities across Ecuador.

Managing Digital Fundraising of Dompet Dhuafa During Covid-19 Pandemic

Covid-19 pandemic demands zakah institutions to avoid physical contact activities, and outlet openings in public places. A marketing communication strategy is needed to make humanitarian mission and empowerment as zakah institutions’ core products synergize to resolve pandemic social impacts. Dompet Dhuafa, as a zakah institution, has developed fundraising digitalization to deal with the Covid-19 pandemic. This study describes fundraising digitalization as Dompet Dhuafa’s marketing communication strategy during the pandemic. Using a qualitative descriptive approach, it explores Dompet Dhuafa’s marketing communication strategy by literature study. Data are from Dompet Dhuafa’s website, Facebook, Instagram, Twitter, YouTube, relevant research journals, and articles. In building effective marketing communications, a marketer must consider designing a message, selecting message media, and choosing message sources. The results indicate that Dompet Dhuafa designs a message in each shared content to motivate people to pay zakah and ask for goodness. The message format is adjusted to message media in headlines, text, colors, and shapes. The message conclusion is generally conveyed in clear and strong arguments. Message media used are in digital-based personal and non-personal communication channels. Message sources are selected based on the conveyed messages.

Digital information system for inland water transport vessels based on AIS

The most important role in ensuring navigation safety on inland waterways is played by the timely provision of navigators with timely and reliable navigational, meteorological and track information, as well as safety information. To solve this problem, the complexes of automatic identification stations’ coastal and ship networks deployed currently can be used. This communication channel (with free traffic for inland waterway transport) is currently used extremely ineffectively due to a small number of serviced vessels. The article substantiates the structure of a digital information system based on deployed networks of automatic identification stations for inland navigation vessels and its functional purpose. The issues of algorithmic and software support development for the process of preparation, transmission, reception and processing of transmitted information are considered. The structure of the database and algorithms for the formalized information packets’ formation in the direction of bank-to-ship are proposed. The formats of address and broadcast messages are presented. A variant of transmitting differential corrections to ships from control-correcting stations via networks of automatic identification stations without using the currently used radio channel is considered. The options for the dialog boxes of the digital information system for the dispatcher and the navigator are given.

Optimisation of the routing protocol for quantum wireless Ad Hoc network

This study addresses the optimisation of on-demand routing protocols for quantum wireless Ad Hoc network. The study improves the route discovery protocol by proposing a ‘reverse synchronisation method’, which means after the route request is completed, the quantum channel establishment process can be carried out simultaneously with the route reply process. This method is better than the general method which builds quantum channels after the forward path establishment, reduces the time and the number of messages for quantum channel establishment, thus improving the efficiency. Accordingly, this study elaborates the specific methods, procedures and related upgrading message formats involved in quantum route discovery, quantum channel establishment and qubit information transmission of on-demand routing protocol for quantum wireless Ad Hoc network.

Formative Study of Mobile Phone Use for Family Planning Among Young People in Sierra Leone: Global Systematic Survey.

BackgroundTeenage pregnancy remains high with low contraceptive prevalence among adolescents (aged 15-19 years) in Sierra Leone. Stakeholders leverage multiple strategies to address the challenge. Mobile technology is pervasive and presents an opportunity to reach young people with critical sexual reproductive health and family planning messages.ObjectiveThe objectives of this research study are to understand how mobile health (mHealth) is used for family planning, understand phone use habits among young people in Sierra Leone, and recommend strategies for mobile-enabled dissemination of family planning information at scale.MethodsThis formative research study was conducted using a systematic literature review and focus group discussions (FGDs). The literature survey assessed similar but existing interventions through a systematic search of 6 scholarly databases. Cross-sections of young people of both sexes and their support groups were engaged in 9 FGDs in an urban and a rural district in Sierra Leone. The FGD data were qualitatively analyzed using MAXQDA software (VERBI Software GmbH) to determine appropriate technology channels, content, and format for different user segments.ResultsOur systematic search results were categorized using Grading of Recommended Assessment and Evaluation (GRADE) into communication channels, audiovisual messaging format, purpose of the intervention, and message direction. The majority of reviewed articles report on SMS-based interventions. At the same time, most intervention purposes are for awareness and as helpful resources. Our survey did not find documented use of custom mHealth apps for family planning information dissemination. From the FGDs, more young people in Sierra Leone own basic mobile phones than those that have feature capablilities or are smartphone. Young people with smartphones use them mostly for WhatsApp and Facebook. Young people widely subscribe to the social media–only internet bundle, with the cost ranging from 1000 leones (US $0.11) to 1500 leones (US $0.16) daily. Pupils in both districts top-up their voice call and SMS credit every day between 1000 leones (US $0.11) and 5000 leones (US $0.52).ConclusionsmHealth has facilitated family planning information dissemination for demand creation around the world. Despite the widespread use of social and new media, SMS is the scalable channel to reach literate and semiliterate young people. We have cataloged mHealth for contraceptive research to show SMS followed by call center as widely used channels. Jingles are popular for audiovisual message formats, mostly delivered as either push or pull only message directions (not both). Interactive voice response and automated calls are best suited to reach nonliterate young people at scale.

Exploring the implications of modified risk claim placement in tobacco advertising

The United States Food and Drug Administration (FDA) has developed a regulatory process by which tobacco companies can apply to make “modified risk tobacco product” (MRTP) marketing claims that their product poses a lower risk of disease or exposure to harmful constituents. The impact of MRTP claims to promote harm reduction may be limited by perceptions that claims come from the tobacco industry, lack of attention, and the simultaneous presence of health warnings on ads, which may be perceived as conflicting information. Some studies have examined the potential of alternative “modified risk warnings”. We aimed to contribute to this literature by exploring issues of claim attention, perceived source and credibility when viewing MRTP claims within or outside of a warning label. We conducted 11 focus groups with adult smokers and young adult (ages 18–25) non-smokers (n = 54) who viewed three e-cigarette or snus advertisements which varied in where an MRTP message was placed: outside the warning label, inside the warning label, or in a modified label style. Results suggest that MRTP claims presented within or in the style of a warning label (compared to claims outside the label), may be perceived as coming from a government or health-related source rather than a tobacco industry, and thus seem more credible. Yet these formats may receive insufficient message attention, as they are smaller and appear as part of labels consumers are accustomed to ignoring. Future research should further probe effects of MRTP statements and how they vary by message source, channel and format.

R-gram: Inferring message formats of service protocols with relative positional n-grams

Automatically discovering message formats of unknown service or system protocols from network traces has become important for a variety of applications, such as emulating the behavior of an unknown protocol in service virtualization, or enabling deep packet inspection in network security. Among existing schemes, the keyword extraction based approaches have been shown to be effective. Inspired by the template structure of protocol messages, recent works leverage the positions of keywords to extract message keywords more accurately. However, these methods are deficient for messages with large variations in length. To address this problem, we propose R-gram, which exploits the relative positions of keywords in messages, allowing the keywords to be robustly detected in variable length messages. It first extracts the common template of the messages in a given message trace with a fast sampling technique, and segments each message into blocks according to the relative positions of the common keywords in the template. It then identifies message keywords in each block by using a new concept and technique — relative positional n-gram (r-gram in short). Finally, the message keywords are used to separate all the messages into type-specific clusters and consequently derive the message format for each cluster. We have implemented and evaluated R-gram on real-world service traces containing either textual or binary protocol messages. Our experimental results show that R-gram is more accurate and robust than existing state-of-the-art tools in protocol message format extraction. Furthermore, R-gram is efficient for processing large-scale message traces.

CA-CRE: Classification Algorithm-Based Controller Area Network Payload Format Reverse-Engineering Method

In vehicles, dozens of electronic control units are connected to one or more controller area network (CAN) buses to exchange information and send commands related to the physical system of the vehicles. Furthermore, modern vehicles are connected to the Internet via telematics control units (TCUs). This leads to an attack vector in which attackers can control vehicles remotely once they gain access to in-vehicle networks (IVNs) and can discover the formats of important messages. Although the format information is kept secret by car manufacturers, CAN is vulnerable, since payloads are transmitted in plain text. In contrast, the secrecy of message formats inhibits IVN security research by third-party researchers. It also hinders effective security tests for in-vehicle networks as performed by evaluation authorities. To mitigate this problem, a method of reverse-engineering CAN payload formats is proposed. The method utilizes classification algorithms to predict signal boundaries from CAN payloads. Several features were uniquely chosen and devised to quantify the type-specific characteristics of signals. The method is evaluated on real-world and synthetic CAN traces, and the results show that our method can predict at least 10% more signal boundaries than the existing methods.

Virtual Network Security Control Mechanism based on Multi-level Alerting and Linkage Defense

The intrusion detection system can effectively detect network attacks dynamically by analyzing network traffic or data packets. However, for complex multi-step attacks with high concealment and persistence, traditional intrusion detection systems generally have the problems of large redundancy of alert data and poor data readability, which seriously affects the security administrators to quickly identify attack behaviors and intentions. To address the above problems, this paper proposes a multi-level alert aggregation method based on software-defined security and linked correction defense based on the Markov chain model. This method designs the reporting message format between the data plane security component and the control plane security controller, and automatically extends the time window by using the temporal proximity relationship of alarms. Multi-level alert aggregation is performed based on the attack attribute matching method, resulting in the effective aggregation of similar alarms. Further, the control plane uses the Markov chain model to generate alert association graphs to obtain the transfer probability between attack types, which is sent down to the security components for linkage defense. The experiments show that this mechanism can effectively achieve multi-level alarm aggregation and alarm information association linkage.