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"Thedevelopment of the construction industry in Indonesia has been substantiallycontributing to the enhancement of the social and economic development of thepeople. However, its expansion has also become an issue, as the developmentmight be implicated in the abuse of environmental sustainability when thepractices of conducting the construction project abandon the rules and regulationsof sustainable green construction concepts. Therefore, this study attempted tointroduce a quantitative assessment tool called the Green Construction SiteIndex (GCSI) to evaluate the performance of an ongoing project to meet thesustainable green construction concept. The aim of this study was toinvestigate the effectiveness of GCSI as a quantitative assessment tool tomeasure the implementation of the green construction concept conducted byongoing projects. Data were collected by onsite direct observation, interviewswith key personnel, and project documentation review. Data were organized andanalyzed using descriptive elaboration. The results showed that three aspects,the Efficiency Index (IE), Productivity Index (IP), andAwareness Index (IA), were effective in assessing 10 ongoingconstruction projects, categorized as Non-Commercial Non-Residential Building,Commercial Residential Building, and Commercial Non-Residential Building. Theindex generated using GCSI, upon assessing 10 buildings, was 3.39 and fell intothe Good category with IE = 3.51, IP = of 2.86, and IA= 3.84. Another finding shows that the Project Organizational CommitmentIndex (POCI) to the indicator ofthe GCSI was 3.31 (Good category) with IPOL = 3.36, IPRO =3.49, and IPRAC = 2.75. The capability of the GCSI to identify threeaspects within a construction project simultaneously and comprehensivelysuggests the importance of its function as an effective tool that givesbenefits to not only the contactors, but also to the authorities that controlthe green construction?related performance. Therefore, the GCSI is expected tobe applied as a standardized reference by both the construction industries andregulating authorities. Despite its satisfactory findings, the GCSI needs to befurthered to achieve its reliability and validity to be adopted internationally."

"The development of the construction industry in Indonesia has been substantially contributing to the enhancement of the social and economic development of the people. However, its expansion has also become an issue, as the development might be implicated in the abuse of environmental sustainability when the practices of conducting the construction project abandon the rules and regulations of sustainable green construction concepts. Therefore, this study attempted to introduce a quantitative assessment tool called the Green Construction Site Index (GCSI) to evaluate the performance of an ongoing project to meet the sustainable green construction concept. The aim of this study was to investigate the effectiveness of GCSI as a quantitative assessment tool to measure the implementation of the green construction concept conducted by ongoing projects. Data were collected by onsite direct observation, interviews with key personnel, and project documentation review. Data were organized and analyzed using descriptive elaboration. The results showed that three aspects, the Efficiency Index (IE), Productivity Index (IP), and Awareness Index (IA), were effective in assessing 10 ongoing construction projects, categorized as Non-Commercial Non-Residential Building, Commercial Residential Building, and Commercial Non-Residential Building. The index generated using GCSI, upon assessing 10 buildings, was 3.39 and fell into the Good category with IE = 3.51, IP = of 2.86, and IA = 3.84. Another finding shows that the Project Organizational Commitment Index (POCI) to the indicator of the GCSI was 3.31 (Good category) with IPOL = 3.36, IPRO = 3.49, and IPRAC = 2.75. The capability of the GCSI to identify three aspects within a construction project simultaneously and comprehensively suggests the importance of its function as an effective tool that gives benefits to not only the contactors, but also to the authorities that control the green construction–related performance. Therefore, the GCSI is expected to be applied as a standardized reference by both the construction industries and regulating authorities. Despite its satisfactory findings, the GCSI needs to be furthered to achieve its reliability and validity to be adopted internationally."

"The findings of numerousstudies on the responses of stream quality indicatorsto different levels of watershed development have been integrated into an impervious cover model. The focus on one development stressor, namely theimpervious cover, allows the decision makers to use the impervious cover model as a watershed planning toolto forecast stream response. In evaluating streamquality, the studies used various indicators such as pollutant loads, habitatquality, aquatic species diversity and abundance, and others. This studyaims to test the applicability of the imperviouscover model as a tool to set the threshold of catchment area developmentbased on the targeted water quality index. Themodel is represented by a linear relationship between the water quality indexas a response variable and catchment area imperviousness as an explanatoryvariable. The study area is an urbanized catchment area of a cascade-pondsystem located at the campus of Universitas Indonesia, Depok, West Java.Estimation of catchment area imperviousness is based on digital globe imageryand digitized based on identified rooftops. The water quality data to computethe water quality indices are collected from previous studies and relatedreports. The targeted water quality index is determinedbased on water use suitability referring to the Indonesian governmentregulation number 82/2001. Basedon the available data, an increasing tendency of temporal variation ofcatchment area imperviousness for each pond can be recognized, while waterquality index of each pond tends to decrease over time. In accordance with landcover distribution, spatial tendency indicates that imperviousness isdecreasing in downstream direction, while water quality index is increasing indownstream direction, in line with the characteristics of cascade ponds. Theresults demonstrate that despite the fact that the available data are verylimited, it is possible to use the linear relationship between catchment areaimperviousness and water quality index as a tool to set the threshold forfuture development on the catchment area of the cascade-pond system at thecampus of Universitas Indonesia with a minimum water quality index suitablejust for recreation activities."

"Cylindrical uranium dioxide pellets, which are the main components for nuclear fuel elements in light water reactors, should have a high density profile, a uniform shape, and a minimum standard quality for their safe use as a reactor fuel component. The quality of green pellets is conventionally monitored by laboratory measurement of the physical pellet characteristics; however, this conventional classification method shows some drawbacks, such as difficult usage, low accuracy, and high time consumption. In addition, the method does not address the non-linearity and complexity of the relationship between pellet quality variables and pellet quality. This paper presents the development and application of a modified Radial Basis Function neural network (RBF NN) as an automatic classification system for green pellet quality. The weight initialization of the neural networks in this modified RBF NN is calculated through an orthogonal least squared method, and in conjunction with the use of a sigmoid activation function on its output neurons. Experimental data confirm that the developed modified RBF NN shows higher recognition capability when compared with that of the conventional RBF NNs. Further experimental results show that optimizing the quality classification problem space through eigen decomposition method provides a higher recognition rate with up to 98% accuracy."

"In this work, Myrmecodia pendans, or sarang semut, was successfully extracted as a potential organic inhibitor. Various concentrations of Myrmecodia pendans extract in 1 M H2SO4 solution were applied in the range of 100?500 mg/L for corrosion inhibition. Gas chromatography?mass spectroscopy (GC-MS) showed that the Myrmecodia pendans extracts contained a high-benzenediol compound with rich oxygen atom content, which played an important role in the inhibition process. The 300 mg/L Myrmecodia pendans extract had the highest effect, decreasing the rate of corrosion from 177.73 mpy to 47.4 mpy. This was attributed to the chemical compounds present in the Myrmecodia pendans extract on the surface of mild steel, which prohibited the corrosion rate"

"An efficient Region-Based Image Retrieval (RBIR) system must consider query region determination techniques and target regions in the retrieval process. A query region is a region that must contain a Region of Interest (ROI) or saliency region. A query region determination can be specified manually or automatically. However, manual determination is considered less efficient and tedious for users. The selected query region must determine specific target regions in the image collection to reduce the retrieval time. This study proposes a strategy of query region determination based on the Region Importance Index (RII) value and relative position of the Saliency Region Overlapping Block (SROB) to produce a more efficient RBIR. The entire region is formed by using the mean shift segmentation method. The RII value is calculated based on a percentage of the region area and region distance to the center of the image. Whereas the target regions are determined by considering the relative position of SROB, the performance of the proposed method is tested on a CorelDB dataset. Experimental results show that the proposed method can reduce the Average of Retrieval Time to 0.054 seconds with a 5x5 block size configuration."

"Teknologi robot dan otomatisasi konstruksi merupakan teknologi yang memiliki potensi untuk meningkatkan kualitas hasil pekerjaan, produktivitas pekerja, dan manfaat lain. Namun, adopsi teknologi tersebut belum menjadi standar di industri konstruksi dan belum digunakan secara luas. Di Indonesia, penelitian yang membahas faktor yang mempengaruhi adopsi teknologi robot dan otomatisasi konstruksi secara khusus masih terbatas. Oleh karena itu, penelitian ini dilakukan dengan tujuan untuk mengidentifikasi manfaat, hambatan, dan risiko yang paling signifikan dalam mengadopsi teknologi robot dan otomatisasi konstruksi di Indonesia melalui wawancara semi-structured, kuesioner perbandingan berpasangan, serta menggunakan metode AHP untuk mengetahui faktor dan sub-faktor paling signifikan dalam adopsi teknologi robot dan otomatisasi konstruksi di Indonesia. Responden pada penelitian ini merupakan expert pada bidang teknologi robot dan otomatisasi konstruksi. Menurut expert pada penelitian ini, manfaat paling signifikan adalah faktor operasional dan sub-faktor waktu proyek yang merupakan bagian dari faktor biaya. Lalu, hambatan paling signifikan yang membatasi adalah faktor teknologi dengan sub-faktor kompleksitas teknologi, serta risiko paling signifikan yang membatasi adopsi teknologi robot dan otomatisasi konstruksi di Indonesia adalah faktor teknologi dan sub-faktor ROI tidak pasti/permintaan dari pasar yang tidak mencukupi yang merupakan bagian dari faktor ekonomi.Di sisi lain, manfaat yang paling tidak signifikan adalah peluang kerja baru, hambatan yang paling tidak signifikan adalah fragmentasi dalam industri, dan risiko paling tidak signifikan adalah risiko distraksi untuk pekerja proyek.

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Construction Robotics and Automation Technology have the potential to increase the quality of work, productivity level, and other benefits. However, the technology remains to not be standard method in the industry and its adoption level remains low. In Indonesia, study discussing factors influencing the adoption of such technology remains limited. Therefore, this study aims to identify the most significant benefits, barriers, and risks in the adoption of such technologies in Indonesia through semi-structured interviews, pairwise questionnaire, and using AHP method to know each variable’s most significant factor and sub-factors in adopting robotics and automation technologies in Indonesia’s construction world. This study interviews prominent experts in the field of Construction Robotics and Automation Technologies in Indonesia. According to the experts in this study, the most significant benefit are operational factors, though its most significant sub-factor is project time/duration which is part of the cost factor. Then, the most limiting barriers is the technological aspect with complexity of technology as its sub-factors, and the most significant risk in the adoption of construction robotics and automation technology in Indonesia is technology factor, though its sub-factor come from economic factor, which is market demand. On the other hand, the least significant barrier is job opportunities, the least significant barrier is fragmentation within the industry, and the least significant risk is distraction to worker’s in the project."

"Disertasi ini merupakan aplikasi metode penelitian Soft Systems (SSM) based AR for theoretical research interest (Cronholm and Goldkuhl, 2003) untuk menganalisa transfer teknologi dengan pendekatan institusional. Tranfer teknologi dilihat pada industri otomotif Jepang di Indonesia dalam konteks perjanjian ekonomi Indonesia Jepang. Metode SSM berbasis riset tindakan diterapkan pada sebuah perusahaan otomotif afiliasi Jepang di Indonesia. Temuan penting dalam disertasi ini adalah transfer teknologi yang terjadi bukanlah hanya proses pemindahan pengetahuan seperti kajian-kajian non sosiologi lakukan selama ini. Transfer teknologi merupakan sebuah institusi ekonomi yang berisi relasi sosial yang dibangun berdasarkan nilai dan norma yang dimaknai bersama, dengan kata lain transfer teknologi merupakan konstruksi social (Granovetter, 1992). Disertasi ini juga berhasil menjawab kelemahan konsepsi embeddedness sebagai kunci terbentuknya kepercayaan dalam konstruksi sosial yang dianggap membutuhkan spesifikasi secara teoritis (Nee 2003 : 24). Secara empiris, ditemukan bahwa embeddedness di tingkat mikro juga terjadi di tingkat meso dan makro karena individu-individu yang terlibat di mikro juga merupakan bagian dari struktur yang lebih tinggi. Dengan demikian kerangka institusional yang dikemukakan oleh Nee (2003) melengkapi analisa transfer teknologi konstruksi sosial mulai dari tingkat mikro sampai dengan meso. Dengan demikian konstribusi riset ini adalah kajian sosiologi ekonomi dan berbasis institusi lainnya yang berfokus pada analisa institusi ekonomi atau institusi lainnya sebagai konstruksi sosial mampu menganalisa sebuah konstruksi sosial hingga ke struktur meso dan makro dalam kerangka analisanya.

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This dissertation is an application of Soft Systems research method (SSM) based AR for theoretical research interest (Cronholm and Goldkuhl, 2003) to analyze technology transfer in the framework of the institutional approach. Technology Transfer was seen in the Japanese automotive industry in Indonesia in the context of Indonesia Japan Economic Partnership Agreement 2008-2012. SSM-based action research method was applied to a Japanese affiliated automotive company's in Indonesia. An important finding of this dissertation is that the technology transfer that occurs empirically was not only a knowledge transfer process as non- sociological studies had done so far. Technology transfer is an economic institution that containing social relationships that constructed on values and norms that interpreted among the groups.In other words, the transfer of technology is a social construction (Granovetter, 1992). This dissertation also managed to answer the need of theoretical specification the conception of embeddedness as a key to the formation of the trust in the social construction (Nee 2003: 24). Empirically, it was found that embeddedness in the micro level also occurred at meso and macro levels since individuals involved in the micro are also part of the higher structures. Thus the institutional framework proposed by Nee (2003) completed the analysis of the social construction of technology transfer from the micro to the meso level. Finally, the contribution of this research is the study of economics sociology and other institution based sociology which focus on the analysis of economic institutions or other institutions as social constructions are able to analyze a social construction from micro level to the meso and macro level within the framework of analysis."

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