1,720,959 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Variations on the Author
Get PDF“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
Get PDFWe 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
Migration maraîchère et enjeux fonciers à la frontière de la ville de Yaoundé (Cameroun)
No full textActes de la conférence : Aux Frontières de l'Urbain http://halshs.archives-ouvertes.fr/halshs-00958799 [Collection : Actes Avignon -ISBN : 978 2 9105 4509 1]The present article or paper is a result of the field works did during eight months at the frontier of Yaoundé town (Cameroon) on the truck farmer migrations and the take businesses. The first step had meant to realized the scientific literature revue concerning the forestall humid huge zones at the bimodal pluviometric of Cameroon and which is treated of the agriculture, the internal migrations, the stake business occupation and at lat of the management of the agricultural products in all its aspects. The data had been collected in the peri-urban zones of Yaoundé( Obala, Bafia, Bantoum), closed to one hundred sixteen heads of the compounds: the native and the migrants who came from the West and the North West regions of Cameroon at least two hundred seventy eight members of the family selected haphazard . The different actors whose principal activities are the truck farmer had answered to the questionnaires. Our results show that the help of the public officers in that very activity I weak whereas the revenue is important and therefore offer jobs or employment. The method and the decision taking of that spontaneous migration are operated by a young migrant himself That feeble implication of the truck farmer has as consequence the development certain types of conflicts between different actors which can becoming a limited factor in term of the fresh products providing in the long term towards the increasing of the urban populations. But, the studied zone is empty demographically. It can be noted also that the embezzlement of the lands by the local successors in the very deep traditional merchandizing by highlighting a slogan 'the land belongs to our ancestors'. It can also be noted that the lateness of the effective decentralization towards the local authorities. That absence of the public power amplified the embezzlement of the stake business whereas that special economy still stay emergent at the frontier of Yaoundé town (Cameroon), which is a ink or a connection in between the peri-urban and the urban zones in term of the fresh products. To plant the hectare of tomato, you need to plant one hundred fifty and two hundred grams of seeds on two hundred and fifty m2 of the plant area A box of seed " LINDO" for example of fifty grams cot ninety four thousand CFA francs, thus you must provide 23500x 4FCFA for an hectare as 94000 FCFA. At the harverest we have registered for the two -three first months after the planting the amount of 40 to 60 tone / hectare. During a campaign it needs four to fifteen harverest. For the "GOMBo", for example, a product like by the consuming inhabitants of Yaoundé, the farmers questioned preferred the "peasant Gombo"in general with 100g of seeds cost 3500FCFA. The mid term income registered is to 8 tones/hectare with three seed/packet. We need 10 g ram of seed to cover a hectare.Le présent document est le résultat des travaux de terrain menés pendant 08 mois à la frontière de la ville de Yaoundé (Cameroun) sur les migrations maraichères et les enjeux fonciers. La première étape a consisté à réaliser une revue de la littérature scientifique traitant de l'agriculture dans la zone de forêts denses humides à pluviométrie bimodale du Cameroun, des migrations internes, d'occupation foncière, et de la gestion des produits agricoles dans son grand ensemble. Les données ont été collectées dans la zone périurbaine de Yaoundé (Obala, Bafia, Bantoum), auprès de 116 chefs de ménage : des autochtones et des migrants venus de la région de l'Ouest et du Nord-Ouest Cameroun, soit 278 membres de familles sélectionnés de manière aléatoire. Ces différents acteurs spécialisés dans a culture maraichère pour seule activité ont répondu à un questionnaire lié à la problématique de leur activité principale. Il ressort de leur différentes déclarations que l'accompagnement qu'ils reçoivent des pouvoirs publics dans cette activité pourtant rémunérateur et pourvoyeur d'emploi est faible. Les démarches et les prises de décision de la communauté migratoire abandonnée à elle-même est pleine d'initiatives improvisées. Cette absence dans l'organisation de l'activité maraichère, face à l'accroissement des populations urbaines, développent des conflits fonciers entre différents acteurs et pourraient à moyen terme causer des préjudices à la production, et par conséquence, freiner sensiblement l'approvisionnement de la métropole en produits frais. Or la zone d'étude est vide démographiquement. L'on note également le détournement des terres par des héritiers locaux par un système de marchandisation traditionnelle qui s'appuie sur le slogan " terre de nos ancêtres ". A cause du retard pris sur le processus de décentralisation du pouvoir, les autorités municipales sont impuissantes face aux détournements fonciers récurrents qui sont une embûche à l'éclosion de cette activité prometteuse aux environs de la ville capitale du Cameroun et crée un lien d'interdépendance entre la zone périurbaine et urbaine grâce aux produits agricoles frais. Selon les acteurs interrogés, la volonté politique des pouvoirs publics pourrait faire de leur activité une florissante pouvant leur garantir un bien-être. D'après nos études, planter un hectare de tomate, il faut semer entre 150 et 200 g de graines sur 250m² de lit de semis. Une boîte de semence " lindo " 50 g coûtant 23 500 FCFA, il faut prévoir 23 500 x 4 FCFA pour un hectare soit 94 000 FCFA. A la récolte de la première cueillette qui suit 2 à 3 mois après l'ensemencement, le rendement est de 40-60 t/ha. Au cours d'une campagne, on procède entre 4 à 15 cueillettes. Pour le gombo qui est un des aliments les plus appréciés par les citadins de la ville se Yaoundé, les paysans enquêtés, dans l'ensemble, préfèrent la variété " paysanne de gombo " dont les 100g de semences coûtent 3500 FCFA. Le rendement moyen enregistré est de 8t/ha avec 3graines /poquet. Il faut 10 g de semence pour couvrir un hectare
Migration maraîchère et enjeux fonciers à la frontière de la ville de Yaoundé (Cameroun)
No full textActes de la conférence : Aux Frontières de l'Urbain http://halshs.archives-ouvertes.fr/halshs-00958799 [Collection : Actes Avignon -ISBN : 978 2 9105 4509 1]The present article or paper is a result of the field works did during eight months at the frontier of Yaoundé town (Cameroon) on the truck farmer migrations and the take businesses. The first step had meant to realized the scientific literature revue concerning the forestall humid huge zones at the bimodal pluviometric of Cameroon and which is treated of the agriculture, the internal migrations, the stake business occupation and at lat of the management of the agricultural products in all its aspects. The data had been collected in the peri-urban zones of Yaoundé( Obala, Bafia, Bantoum), closed to one hundred sixteen heads of the compounds: the native and the migrants who came from the West and the North West regions of Cameroon at least two hundred seventy eight members of the family selected haphazard . The different actors whose principal activities are the truck farmer had answered to the questionnaires. Our results show that the help of the public officers in that very activity I weak whereas the revenue is important and therefore offer jobs or employment. The method and the decision taking of that spontaneous migration are operated by a young migrant himself That feeble implication of the truck farmer has as consequence the development certain types of conflicts between different actors which can becoming a limited factor in term of the fresh products providing in the long term towards the increasing of the urban populations. But, the studied zone is empty demographically. It can be noted also that the embezzlement of the lands by the local successors in the very deep traditional merchandizing by highlighting a slogan 'the land belongs to our ancestors'. It can also be noted that the lateness of the effective decentralization towards the local authorities. That absence of the public power amplified the embezzlement of the stake business whereas that special economy still stay emergent at the frontier of Yaoundé town (Cameroon), which is a ink or a connection in between the peri-urban and the urban zones in term of the fresh products. To plant the hectare of tomato, you need to plant one hundred fifty and two hundred grams of seeds on two hundred and fifty m2 of the plant area A box of seed " LINDO" for example of fifty grams cot ninety four thousand CFA francs, thus you must provide 23500x 4FCFA for an hectare as 94000 FCFA. At the harverest we have registered for the two -three first months after the planting the amount of 40 to 60 tone / hectare. During a campaign it needs four to fifteen harverest. For the "GOMBo", for example, a product like by the consuming inhabitants of Yaoundé, the farmers questioned preferred the "peasant Gombo"in general with 100g of seeds cost 3500FCFA. The mid term income registered is to 8 tones/hectare with three seed/packet. We need 10 g ram of seed to cover a hectare.Le présent document est le résultat des travaux de terrain menés pendant 08 mois à la frontière de la ville de Yaoundé (Cameroun) sur les migrations maraichères et les enjeux fonciers. La première étape a consisté à réaliser une revue de la littérature scientifique traitant de l'agriculture dans la zone de forêts denses humides à pluviométrie bimodale du Cameroun, des migrations internes, d'occupation foncière, et de la gestion des produits agricoles dans son grand ensemble. Les données ont été collectées dans la zone périurbaine de Yaoundé (Obala, Bafia, Bantoum), auprès de 116 chefs de ménage : des autochtones et des migrants venus de la région de l'Ouest et du Nord-Ouest Cameroun, soit 278 membres de familles sélectionnés de manière aléatoire. Ces différents acteurs spécialisés dans a culture maraichère pour seule activité ont répondu à un questionnaire lié à la problématique de leur activité principale. Il ressort de leur différentes déclarations que l'accompagnement qu'ils reçoivent des pouvoirs publics dans cette activité pourtant rémunérateur et pourvoyeur d'emploi est faible. Les démarches et les prises de décision de la communauté migratoire abandonnée à elle-même est pleine d'initiatives improvisées. Cette absence dans l'organisation de l'activité maraichère, face à l'accroissement des populations urbaines, développent des conflits fonciers entre différents acteurs et pourraient à moyen terme causer des préjudices à la production, et par conséquence, freiner sensiblement l'approvisionnement de la métropole en produits frais. Or la zone d'étude est vide démographiquement. L'on note également le détournement des terres par des héritiers locaux par un système de marchandisation traditionnelle qui s'appuie sur le slogan " terre de nos ancêtres ". A cause du retard pris sur le processus de décentralisation du pouvoir, les autorités municipales sont impuissantes face aux détournements fonciers récurrents qui sont une embûche à l'éclosion de cette activité prometteuse aux environs de la ville capitale du Cameroun et crée un lien d'interdépendance entre la zone périurbaine et urbaine grâce aux produits agricoles frais. Selon les acteurs interrogés, la volonté politique des pouvoirs publics pourrait faire de leur activité une florissante pouvant leur garantir un bien-être. D'après nos études, planter un hectare de tomate, il faut semer entre 150 et 200 g de graines sur 250m² de lit de semis. Une boîte de semence " lindo " 50 g coûtant 23 500 FCFA, il faut prévoir 23 500 x 4 FCFA pour un hectare soit 94 000 FCFA. A la récolte de la première cueillette qui suit 2 à 3 mois après l'ensemencement, le rendement est de 40-60 t/ha. Au cours d'une campagne, on procède entre 4 à 15 cueillettes. Pour le gombo qui est un des aliments les plus appréciés par les citadins de la ville se Yaoundé, les paysans enquêtés, dans l'ensemble, préfèrent la variété " paysanne de gombo " dont les 100g de semences coûtent 3500 FCFA. Le rendement moyen enregistré est de 8t/ha avec 3graines /poquet. Il faut 10 g de semence pour couvrir un hectare
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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