1,720,959 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Scleroderma spp. in Indonesia : Poisoning Case and Potential Utilization
Full text linkAbstract : Mushroom are functional food which has been consumed for long time due to the various benefits and are rich in nutrients for health. Even though it is not the main food ingredient, local people in Indonesia are accustomed to consuming wild mushroom in the vicinity. One of these mushroom is Scleroderma spp. which grows as ectomycorrhizal mycobiont usually around the Gnetum gnemon L. plant. This study aimed to provide the information regarding poisioning case of Scleroderma in Indonesia and also it’s potential utilization. This paper is a literature-based quantitative research. Several previous studies have confirmed the benefits of this mushroom such as antioxidant, antibacteria, and anti-inflammatory which is beneficial for health. However, the result showed that during the last 10 years, there have been 6 cases of poisoning due to consumption of Scleroderma in Indonesia. A total of 54 people have become victims and 4 of them have died. Scleroderma spp. known to be easily found in various places throughout Indonesia. This mushroom is generally recommended to be consumed only in the young fruiting body phase. Some cases of poisoning are thought to be due to the sclerocitrin content in the fruiting body of this mushroom.Abstrak : Jamur merupakan salah satu bahan pangan yang telah sejak lama dikonsumsi karena memiliki berbagai manfaat dan kaya akan kandungan bahan bioaktif untuk kesehatan. Walaupun belum menjadi bahan pangan utama, masyarakat lokal di Indonesia telah terbiasa untuk mengkonsumsi jamur liar yang ada di sekitarnya. Salah satu dari jamur tersebut adalah Scleroderma spp. yang tumbuh sebagai mikobion pembentuk ektomikoriza umumnya di sekitaran tanaman melinjo (Gnetum gnemon L.). Penelitian ini bertujuan untuk menyediakan informasi mengenai kasus keracunan Scleroderma di Indonesia serta potensi pemanfaatannya. Tulisan ini merupakan penelitian kuantitatif berbasis literatur. Meskipun beberapa penelitian sebelumnya telah mengkonfirmasi manfaat dari jamur ini seperti: antioksidan, antibakteri, dan antiinflamasi yang bermanfaat untuk kesehatan. Selama 10 tahun terakhir, telah terjadi 6 kasus keracunan akibat pengkonsumsian jamur liar Scleroderma di Indonesia. Sebanyak 54 orang telah menjadi korban dan 4 diantaranya meninggal dunia. Scleroderma spp. diketahui mudah ditemukan di berbagai tempat di seluruh Indonesia. Jamur ini umumnya disarankan hanya dikonsumsi pada fase tubuh buah yang masih muda. Beberapa kasus keracunan diduga juga karena kandungan sclerocitrin yang terdapat pada tubuh buah dari jamur ini
Studi Taksonomi dan Potensi Beberapa Jamur Liar di Pulau Belitong
Full text linkAbstract : Macrofungi or mushroom are cosmopolitan heterotrophic organisms which have a very important ecological role. Information on the presence and description of macrofungi can be used as a reference for conservation steps and future potential utilization. The purpose of this study was to provide description of macro fungi and their potential utilization at Belitong Island. All macro fungi found were Basidiomycota. The identification results showd there were 11 species of mushrooms, i.e. Chlorophyllum molybdites, Lepiota sp., Marasmius sp., Parasola sp., Phallus indusiatus, Lentinus sp.1, Lentinus sp.2, Microporus sp., Polyporus cf. tricholoma, Russula sp., dan Schizophyllum commune. All mushrooms are decomposer at the study site. Some mushrooms have potential as food, medicine and source of other bioactive compounds. This paper explains how to use macroscopic characters to help the identification of macrofungi.Abstrak : Jamur makro merupakan organisme heterotof kosmopolitan yang memiliki peran ekologis yang sangat penting. Informasi mengenai keberadaan dan deskripsi jamur makro dapat dijadikan acuan untuk langkah konservasi serta pemanfaatan potensinya di masa mendatang. Tujuan dari penelitian ini adalah untuk menyediakan deskripsi jamur makro dan potensi pemanfaatannya di Pulau Belitong. Seluruh jamur makro yang ditemukan merupakan Filum Basidiomycota. Hasil identifikasi menunjukan terdapat 11 spesies jamur yaitu Chlorophyllum molybdites, Lepiota sp., Marasmius sp., Parasola sp., Phallus indusiatus, Lentinus sp.1, Lentinus sp.2, Microporus sp., Polyporus cf. tricholoma, Russula sp., dan Schizophyllum commune. Seluruh jamur merupakan dekomposer pada lokasi penelitian. Beberapa jamur berpotensi sebagai bahan pangan, obat, dan sumber senyawa bioaktif lainnya. Pada tulisan ini dijelaskan cara menggunakan karakter makroskopik untuk membantu identifikasi jamur
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Calvatia pyriformis : A New Record in Indonesia
Full text linkAbstract: Calvatia has the unique form as puffball mushroom. Currently, it is classified in Basidiomycota and Lycoperdaceae. This research aimed to characterize the Calvatia species based on morphological data. Fruiting body of Calvatia was found on the grass with single colony as saprobic mushroom. Fruiting body of Calvatia was collected, observed, and preserved using Formalin Acetic Alcohol (FAA).T he spores are produced internally in a gasterothecium. It is looked like pear-shaped or puffball-shaped, yellow to brownish outside and inside, the granular outer surface, thin layer of exoperidium, and soft texture of fruiting body. Basidiospore is finely globose to ovoid and free of ornament. The capillitium was swollen and septate. The specimen is identified as Calvatia pyriformis.Abstrak:Calvatia memiliki bentuk unik sebagai jamurbola. Saatini, Calvatia di klasifikasikan ke dalam Basidiomycota dan Lycoperdaceae. Studi ini bertujuan untuk mengkarakterisasi spesies Calvatia berdasarkan data morfologi. Tubuh buah Calvatia tumbuh di rumput secara soliter sebagai jamur sparob. Tubuh buah jamur dikoleksi, diobservasi, dan dipreservasi dengan menggunakan Formalin Acetic Alcohol (FAA). Spora-spora diproduksi secara internal di dalam sebuah gasterothecium. Spesimen ini berbentuk seperti pir atau bola permukaan dan bagian dalamnya berwarna kuning kecoklatan, terdapat alur granular pada permukaannya, lapisan exoperidium tipis, dan teksturnya lembut. Basidiospora berbentuk globose sampai seperti ovoid dan tidak ada ornamentasi. Hifa kapillituim berbentuk membengkak dan ada sekat. Spesimen ini diidentifikasi sebagai Calvatia pyriformis
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