Andry Alamsyah

Andry Alamsyah
Telkom University · School of Economic and Business

PhD
Social Computing & Blockchain

About

120
Publications
57,056
Reads
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454
Citations
Introduction
Researcher at Lab. Social Computing and Big Data, Telkom University. Ph.D. degree in Social Network and Big Data. My research objective is human and/or social behavior quantification. Covering the topics such as social network, complex network, data mining, big data, text analytics. I am also interested in large-scale social networks, graph theory, complex network, blockchain technology and their implementations
Additional affiliations
August 2012 - August 2017
Bandung Institute of Technology
Position
  • PhD Student
September 2011 - present
Telkom University
Position
  • Researcher
August 2011 - August 2013
Institut Manajemen Telkom
Position
  • Researcher
Education
August 2012 - October 2017

Publications

Publications (120)
Article
Full-text available
Graph based modelling is common in many implementation areas involving combinatorics relationship such as in social network. The data explosion produced from user generated content in online social network services trigger the emergence of large-scale social network. Having large graph at our disposal gives us many opportunity but at the same time...
Conference Paper
Full-text available
The rapid growth of social media and user generated contents (UGC) has provided a rich source of potentially relevant data. The problems arise on how to summarize those data to understand and transforming it into information. Twitter as one of the most popular social networking and micro-blogging service can be analyzed in terms of content produced...
Article
Full-text available
In 2008, the Lehman Brothers’ bankruptcy, accumulated from the global financial crisis, proved a unique role of the highly interconnected financial entities. Shocks in a bank might trigger loss, induce spillovers, provoke a contagion shock spreading to other entities, trigger the whole banking system to collapse, and ultimately unsettle the worldwi...
Article
Full-text available
Human online activities leave digital traces that provide a perfect opportunity to understand their behavior better. Social media is an excellent place to spark conversations or state opinions. Thus, it generates large-scale textual data. In this paper, we harness those data to support the effort of personality measurement. Our first contribution i...
Article
Full-text available
Accurate forecasting of electricity load is essential for electricity companies, primarily for planning electricity generators. Overestimated or underestimated forecasting value may lead to inefficiency of electricity generator or electricity deficiency in the electricity grid system. Parameters that may affect electricity demand are the weather co...
Article
Full-text available
There are many complex data in social networks that can be combined into large data sets which can be accessed. Large amounts of data require more storage and increase the computed summary costs. The need to know how to use data effectively and to extract information from reduced data that has the same information as super data before being reduced...
Article
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The information developments and communication technology also has a negative side. This study is aimed to determine the online prostitution communication network on Twitter and understanding of online prostitution on Twitter. This study uses SNA (Social Network Analysis). SNA views social relations as a theory of networks consisting of nodes and r...
Article
Full-text available
Background : The Malaysian government reacted to the pandemic’s economic effect with the Prihatin Rakyat Economic Stimulus Package (ESP) to cushion the novel coronavirus 2019 (COVID-19) impact on households. The ESP consists of cash assistance, utility discount, moratorium, Employee Provident Fund (EPF) cash withdrawals, credit guarantee scheme and...
Preprint
Full-text available
Topline hotels are now shifting into the digital way in how they understand their customers to maintain and ensuring satisfaction. Rather than the conventional way which uses written reviews or interviews, the hotel is now heavily investing in Artificial Intelligence particularly Machine Learning solutions. Analysis of online customer reviews chang...
Article
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Background : The Malaysian government reacted to the pandemic’s economic effect with the Prihatin Rakyat Economic Stimulus Package (ESP) to cushion the novel coronavirus 2019 (COVID-19) impact on households. The ESP consists of cash assistance, utility discount, moratorium, Employee Provident Fund (EPF) cash withdrawals, credit guarantee scheme and...
Preprint
Full-text available
The challenge of each organization is how they adapt to the shift of more complex technology such as mobile, big data, interconnected world, and the Internet of things. In order to achieve their objective, they must understand how to take advantage of the interconnected individuals inside and outside the organization. Learning organization continue...
Preprint
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The growth of internet users in Indonesia gives an impact on many aspects of daily life, including commerce. Indonesian small-medium enterprises took this advantage of new media to derive their activity by the meaning of online commerce. Until now, there is no known practical implementation of how to predict their sales and revenue using their hist...
Preprint
Full-text available
The instability of financial system issues might trigger a bank failure, evoke spillovers, and generate contagion effects which negatively impacted the financial system, ultimately on the economy. This phenomenon is the result of the highly interconnected banking transaction. The banking transactions network is considered as a financial architectur...
Article
Full-text available
Financial investment has become a trend in Indonesia with significant increase of active investors since 2015. Before making an investment, the investors need a comprehensive analysis to reduce the chances of failure that result in financial distress, the same apply towards companies in order to organize its financial strategies. Financial distress...
Preprint
Full-text available
The rapid growth of the e-commerce market in Indonesia, making various e-commerce companies appear and there has been high competition among them. Marketing intelligence is an important activity to measure competitive position. One element of marketing intelligence is to assess customer satisfaction. Many Indonesian customers express their sense of...
Article
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Purpose The development of information technology is highly influential to all sectors, including the financial industry. Various transformations are made in overcoming the dynamics of technological advancements, including the mapping of human resources. This study is conducted in the banking industry and companies operating using financial technol...
Preprint
Full-text available
In the context of modern marketing, Twitter is considered a communication platform to spread information. Many companies create and acquire several Twitter accounts to support and perform varieties of marketing mix activities. Initially, each accounts used to capture a specific market profile. Together, the accounts create a network of information...
Preprint
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Online property business or known as e-commerce is currently experiencing an increase in home sales. Indonesia's e-commerce property business has positive trending shown by the increasing sales of more than 500% from 2011 to 2015. A prediction of the property price is important to help investors or the public to have accurate information before buy...
Preprint
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The tourism industry is one of the potential revenues and has an important role in economics in Indonesia. The tourism Industry brings job and business opportunities, foreign exchange earnings, and infrastructure development, tourism also plays the role of one of the main drivers in socio-economic progress in Indonesia. The number of foreign touris...
Preprint
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Knowledge management is an important aspect of an organization, especially in the ICT industry. Having more control of it is essentials for the organization to stay competitive in the business. One way to assess the organization's knowledge capital is by measuring employee knowledge networks and their personal reputation in social media. Using this...
Preprint
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There are three approaches in the current social network analysis study: Graph Representation, Content Mining, and Semantic Analysis. Graph Representation has been used for analyzing social network topology, structural modeling, tie-strength, community detection, group cohesion visualization, and metrics computations. This paper provides a taxonomy...
Preprint
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Online social network services provide a platform for human social interactions. Nowadays, many kinds of online interactions generate large-scale social network data. Network analysis helps to mine knowledge and pattern from the relationship between actors inside the network. This approach is important to support predictions and the decision-making...
Preprint
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E-commerce provides an efficient and effective way to exchange goods between sellers and customers. E-commerce has been a popular method for doing business, because of its simplicity of having commerce activity transparently available, including customer voice and opinion about their own experience. Those experiences can be a great benefit to under...
Preprint
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The internet's rapid growth stimulates the emergence of start-up companies based on information technology and telecommunication (ICT) in Indonesia and Singapore. As the number of start-ups and its investor growth, the network of its relationship become larger and complex, but on the other side feel small. Everyone in the ICT start-up investment ne...
Preprint
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The availability of social media simplifies the companies-customers relationship. An effort to engage customers in conversation networks using social media is called Social Customer Relationship Management (SCRM). Social Network Analysis helps to understand network characteristics and how active the conversation network on social media. Calculating...
Preprint
Full-text available
There are some shreds of evidence that social opinion polarization leads to the breakup of the relationship, some in the scale of small communities, but others can divide large organizations or even a nation. The legacy methodology to answer the root cause of opinion polarization in the society commonly use random sampling or questionnaire-based ap...
Conference Paper
Full-text available
Data has now become a major commodity and asset for any organization. There's also a phenomenon called Big Data where it's a term to describes a large volume of data, both structured and unstructured. With big data, any organization can analyze the data and its results are used for decision making and business strategy. Political parties, for examp...
Article
Full-text available
Indonesia is a market with attractive e-commerce growth in the past four years. The tight competition made the company try to find ways to maintain customer loyalty, including making improvements to the Customer Relationship Management (CRM) strategy. The way to establish a good CRM strategy is driven by a good approach from the company to customer...
Article
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The simplicity provided by Online Travel Agencies (OTA) does not always make customers feel satisfied. Sometimes the customers get some problems with the company services. This finally led customers to give their opinion on social media. Large numbers of data in social media are capable to be an information source for the company to get customer in...
Article
Financial technology (Fintech) mengalami pertumbuhan yang cukup pesat sejak awal kehadirannya di Indonesia. Fintech merupakan industri jasa finansial yang memanfaatkan teknologi sehingga memungkinkan penggunanya melakukan berbagai transaksi keuangan secara digital. Saat ini banyak fintech baru yang bermunculan di Indonesia, sehingga dibutuhkan stra...
Article
Era internet ditandai dengan pesatnya perkembangan sosial media. User Generated Content (UGC) pada sosial media memungkinkan tersedianya sumber data yang melimpah untuk pengetahuan bisnis. Sistem open sourceTwitter mengizinkan pengambilan data melalui API secara bebas. Data yang berbentuk interaksi sosial dapat dimodelkan menjadi jaringan sosial. S...
Article
Bisnis e-commerce memerlukan promosi dalam memperkenalkan produk yang dimilikinya. Salah satu media yang dapat digunakan adalah media sosial. Terdapat banyak informasi yang disediakan di media sosial, salahsatunya adalah User Generated Content (UGC). UGC adalah jejak rekam user di media sosial yang dapat dilihat oleh user lainnya. Diperlukan analis...
Article
Pertumbuhan pesat teknologi di era globalisasi mengakibatkan pertukaran informasi tidak hanya terjadi pada dunia nyata. Internet telah menjadi kebutuhan pokok dalam menyebarkan informasi. Pertumbuhan penguna internet meningkatkan jumlah data yang beredar di seluruh dunia. Data interaksi yang pada media sosial dapat digunakan untuk melihat bagaimana...
Conference Paper
Full-text available
Personality measurement (PM) has evolved from taking a personality test or expert assessment into utilizing user generated content to measure personality. Several attempts to create a model for PM has been done by the various researcher using English as the main language. While the PM model in Bahasa Indonesia is limited. Further research is requir...
Conference Paper
Full-text available
We have been witnessing digital music industry has been grown rapidly in recent years. One Innovation which helps this industry improving its customer satisfaction, customer loyalty, and customer engagement, is personalized recommendation system. It has not only been an interesting innovation in digital music service, but also in almost all digital...
Conference Paper
Full-text available
Hospitality, as one of the sectors in the tourism industry, continues to show positive trend every year based on its revenues. In order to understand public opinion, the legacy method such as interview, questionnaire, and other time-consuming method is still widely used in this sector. However, this method is less efficient compared to data analyti...
Conference Paper
Tourism is one of the fastest growing sectors in the world and becomes one of the leading sectors in Indonesia. The Indonesia government has determined four super priority tourist destinations in order to achieve 20 million foreign tourists and 275 million domestic tour-ists in 2019. Moreover, a social network provides essential information that ra...
Conference Paper
Indonesia’s tourism is one of the leading sectors in economic, social, and cultural developments. In the increase of tourists, tourism stakeholders use social media to share the information as an online strategy to disseminate events, destination characteristics, and experiences in visiting tourism destinations. This can form some patterns of infor...
Article
Penelitian ini menggabungkan ilmu manajemen dan ilmu big data dalam proses pengerjaannya. Tujuan penelitian ini untuk mengetahui hasil sentimen konsumen terhadap brand Go-Jek berdasarkan media sosial twitter dan menemukan topik serta kata apa yang dibahas pada sentimen media sosial twitter mengenai brand Go-Jek. Data yang digunakan pada penelitian...
Conference Paper
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Social media has changed human social interaction. Human activities such as giving opinions, sharing experiences, and reviewing products are done in social media. In this digital era, social media become an effective platform for promoting products and disseminating information. The majority of information dissemination studies are seen from the en...
Conference Paper
Full-text available
Investment has an important role in the economic growth of a country. The higher investment value obtained by a country, the faster the country is able to develop their prosperity. However, the investor faces some obstacle in investment activity to have a reasonable return and acceptable risk. In stock investments area, investors could increase cha...
Conference Paper
Full-text available
Tourism industry shows a positive growth and uphold an important role in national economy as the second largest portion of foreign exchange contributor, as well as its role in national employment. In improving tourism industry, it is necessary to develop an effort to balance out the potential demand and supply. Therefore, an accurate forecasting mo...
Conference Paper
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Information from news is an integral part of investment activity. Such information is widely available from online media platforms, in which we can obtain relatively easy thanks to the development of technology. Despite predicting future stock prices being a hard challenge, the availability of big data is able to support investment decisions. Any r...
Conference Paper
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The movie industry is a highly competitive industry with a lot of new movies are queued to be released each year. Movie making is subject to potential profits or loss in the magnitude of billion of dollars making this industry very risky. Predicting the successfulness of movie based on its financial performance prior to the release date is valuable...
Conference Paper
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Air transportation facilitates important connectivity to drive economic growth and development. Airports and airline companies are considered as two important components in flight activities. Those components construct an interconnected air transportation network. The highly connected network is susceptible against some disruptions. We simulate dis...
Conference Paper
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Mobile application is one of the most important information platforms for international tourists. Millions of tourists use mobile applications to find information and make transactions. Two popular Online Travel Agent (OTA) mobile applications for travel-related activities providers are Traveloka and Tiket.com. These applications certainly must mee...
Article
Full-text available
An audit of financial report is a review of the organization financial statement that carried out by the independent and professional in their field which is the Auditor. The Big Data methodology offered a different approach compared to the current audit procedure, which mostly using manual process. Big Data equipped with learning capabilities and...