Literatura académica sobre el tema "Découverte de clés de liage"
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Artículos de revistas sobre el tema "Découverte de clés de liage"
Zater, Hanene, Khellaf Rebbas, Sabrina Bicha y Sara Bensaid. "Découverte de Centaurea hyalolepis Boiss. (Asteraceae) dans la région de Djelfa (Algérie)". Acta Botanica Malacitana 44 (7 de octubre de 2019): 67–69. http://dx.doi.org/10.24310/abm.v44i0.5334.
Texto completoArnoud, Justine y Johanna Habib. "Chercheurs et praticiens au « pays des merveilles »". Revue Française de Gestion 47, n.º 301 (noviembre de 2021): 143–63. http://dx.doi.org/10.3166/rfg.2021.00586.
Texto completoBabali, Brahim, Abdelkader Babali, Boumediene Medjahdi y Mohammed Bouazza. "La découverte d’Asplenium ruta-muraria L. subsp. ruta-muraria dans la région de Tlemcen (Algérie occidentale)". Acta Botanica Malacitana 43 (6 de noviembre de 2018): 157–59. http://dx.doi.org/10.24310/abm.v43i0.4840.
Texto completoDam, Julie. "Trafic et signalisation du récepteur de la leptine". Biologie Aujourd'hui 212, n.º 1-2 (2018): 35–43. http://dx.doi.org/10.1051/jbio/2018020.
Texto completoHarvey, Carol J. "À la découverte du Nord : La rivière sans repos de Gabrielle Roy". Le dossier 29, n.º 2 (30 de noviembre de 2017): 411–27. http://dx.doi.org/10.7202/1042267ar.
Texto completoCavaillon, Jean-Marc, Philippe Sansonetti y Michel Goldman. "Jules Bordet, un homme de conviction". médecine/sciences 36, n.º 8-9 (agosto de 2020): 803–9. http://dx.doi.org/10.1051/medsci/2020135.
Texto completoCharnay, Bochra. "Reconfiguration transculturelle du «Roi grenouille» : processus scripturaires et réception". Ondina - Ondine, n.º 1 (7 de abril de 2018): 92–110. http://dx.doi.org/10.26754/ojs_ondina/ond.201812038.
Texto completoCalvet Curbaille, Corinne. "ALLER À LA RENCONTRE D’HILDEGARD DE BINGEN…". Psicanálise & Barroco em Revista 17, n.º 1 (6 de agosto de 2019): 42–58. http://dx.doi.org/10.9789/1679-9887.2019.v17i1.42-58.
Texto completoGreciano, Gertrud. "Pour un glossaire des collocations riscologiques". Meta 53, n.º 2 (4 de agosto de 2008): 420–33. http://dx.doi.org/10.7202/018527ar.
Texto completoSOULIER, C., V. BOITEUX, P. CANDIDO, E. CAUPOS, M. CHACHIGNON, G. COUTURIER, X. DAUCHY et al. "La spectrométrie de masse haute résolution pour la recherche de micropolluants organiques dans l’environnement". Techniques Sciences Méthodes 6, n.º 6 (21 de junio de 2021): 43–54. http://dx.doi.org/10.36904/tsm/202106043.
Texto completoTesis sobre el tema "Découverte de clés de liage"
Abbas, Nacira. "Formal Concept Analysis for Discovering Link Keys in the Web of Data". Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0202.
Texto completoThe Web of data is a global data space that can be seen as an additional layer interconnected with the Web of documents. Data interlinking is the task of discovering identity links across RDF (Resource Description Framework) datasets over the Web of data. We focus on a specific approach for data interlinking, which relies on the “link keys”. A link key has the form of two sets of pairs of properties associated with a pair of classes. For example the link key ({(designation,title)},{(designation,title) (creator,author)},(Book,Novel)), states that whenever an instance “a” of the class “Book” and “b” of the class “Novel”, share at least one value for the properties “creator” and “author” and that, “a” and “b” have the same values for the properties “designation” and “title”, then “a” and “b” denote the same entity. Then (a,owl:sameAs,b) is an identity link over the two datasets. However, link keys are not always provided, and various algorithms have been developed to automatically discover these keys. First, these algorithms focus on finding “link key candidates”. The quality of these candidates is then evaluated using appropriate measures, and valid link keys are selected accordingly. Formal Concept Analysis (FCA) has been closely associated with the discovery of link key candidates, leading to the proposal of an FCA-based algorithm for this purpose. Nevertheless, existing algorithms for link key discovery have certain limitations. First, they do not explicitly specify the associated pairs of classes for the discovered link key candidates, which can lead to inaccurate evaluations. Additionally, the selection strategies employed by these algorithms may also produce less accurate results. Furthermore, redundancy is observed among the sets of discovered candidates, which presents challenges for their visualization, evaluation, and analysis. To address these limitations, we propose to extend the existing algorithms in several aspects. Firstly, we introduce a method based on Pattern Structures, an FCA generalization that can handle non-binary data. This approach allows for explicitly specifying the associated pairs of classes for each link key candidate. Secondly, based on the proposed Pattern Structure, we present two methods for link key selection. The first method is guided by the associated pairs of classes of link keys, while the second method utilizes the lattice generated by the Pattern Structure. These two methods improve the selection compared to the existing strategy. Finally, to address redundancy, we introduce two methods. The first method involves Partition Pattern Structure, which identifies and merges link key candidates that generate the same partitions. The second method is based on hierarchical clustering, which groups candidates producing similar link sets into clusters and selects a representative for each cluster. This approach effectively minimizes redundancy among the link key candidates
Symeonidou, Danai. "Automatic key discovery for Data Linking". Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112265/document.
Texto completoIn the recent years, the Web of Data has increased significantly, containing a huge number of RDF triples. Integrating data described in different RDF datasets and creating semantic links among them, has become one of the most important goals of RDF applications. These links express semantic correspondences between ontology entities or data. Among the different kinds of semantic links that can be established, identity links express that different resources refer to the same real world entity. By comparing the number of resources published on the Web with the number of identity links, one can observe that the goal of building a Web of data is still not accomplished. Several data linking approaches infer identity links using keys. Nevertheless, in most datasets published on the Web, the keys are not available and it can be difficult, even for an expert, to declare them.The aim of this thesis is to study the problem of automatic key discovery in RDF data and to propose new efficient approaches to tackle this problem. Data published on the Web are usually created automatically, thus may contain erroneous information, duplicates or may be incomplete. Therefore, we focus on developing key discovery approaches that can handle datasets with numerous, incomplete or erroneous information. Our objective is to discover as many keys as possible, even ones that are valid in subparts of the data.We first introduce KD2R, an approach that allows the automatic discovery of composite keys in RDF datasets that may conform to different schemas. KD2R is able to treat datasets that may be incomplete and for which the Unique Name Assumption is fulfilled. To deal with the incompleteness of data, KD2R proposes two heuristics that offer different interpretations for the absence of data. KD2R uses pruning techniques to reduce the search space. However, this approach is overwhelmed by the huge amount of data found on the Web. Thus, we present our second approach, SAKey, which is able to scale in very large datasets by using effective filtering and pruning techniques. Moreover, SAKey is capable of discovering keys in datasets where erroneous data or duplicates may exist. More precisely, the notion of almost keys is proposed to describe sets of properties that are not keys due to few exceptions
Jacques, Isabelle. "Découverte et déchiffrage de nouvelles voies de biosynthèse dépendant des synthases de cyclodipeptides : les clés d’une diversité accrue de dicétopipérazines potentiellement bioactives". Thesis, Paris 11, 2015. http://www.theses.fr/2015PA114838/document.
Texto completoDespite the interest and diversity of the pharmacological properties of 2,5-diketopiperazines (DKPs), the biosynthetic pathways of these microbial molecules are poorly documented. The aim of my doctoral work was i) to identify new DKP biosynthetic pathways that are characterized by the presence of a cyclodipeptide synthase (CDPS) often associated with one or more cyclodipeptide-tailoring enzymes and ii) to explore the chemical diversity encoded by these pathways. First of all, my study focused on CDPSs. After the bioinformatics-based selection of candidates, 51 novel CDPS were characterized, revealing the incorporation of 17 of the 20 proteinogenic amino acids. Moreover, this work has allowed a better characterization of the CDPS family, by showing the existence of several subfamilies with specific functional signatures and laying the foundations of a specificity conferring code for the synthesis of cyclodipeptides. Second, I characterized the tailoring enzymes associated with the newly identified CDPSs and, in particular, the Fe(II) and oxoglutarate dependent dioxygenases (OGs) that are highly represented in these pathways. I detected the in vivo activity for 11 OGs and characterized the in vitro activity for one of them, showing the complexity of the chemical modifications introduced into the cyclodipeptide. This work has led to identify and characterize novel biosynthetic pathways that provide access to a greater diversity of DKPs
Capítulos de libros sobre el tema "Découverte de clés de liage"
NAVARRO, Émilie. "Le rap". En Langues chantées / Cultures mises en musique, 105–10. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5437.
Texto completoMeyer, Camille y Pierre Boivin. "Des strates de roches au soubassement d’une œuvre". En Patrimoine et Humanités numériques, 77–88. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.3599.
Texto completoInformes sobre el tema "Découverte de clés de liage"
Catherine, Hugo. Étude comparative des services nationaux de données de recherche Facteurs de réussite. Ministère de l'enseignement supérieur et de la recherche, enero de 2021. http://dx.doi.org/10.52949/6.
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