The Role of Autonomy, Attachment, and Co-Construction in Early Adolescent Meaning Making

The primary goal of this study was to examine the impact of autonomy, maternal co-construction, and attachment representations on early adolescents’ meaning making. Meaning making is important for positive coping and developing a sense of self. Among 51 low-risk early adolescents, a high rate of unresolved (38%) and a low rate of secure (4%) attachment representations occurred. In the present sample, the amount of new information that a mother contributed to the conversation (i.e., elaborations) was found to significantly differentiate those adolescents who were judged to have made meaning from those who did not make meaning. Otherwise, autonomy and both adolescent and maternal attachment did not significantly contribute to meaning making. Whereas these results provide preliminary evidence for some role of maternal co-construction in early adolescent meaning making, discussion will also suggest further investigation into the function of autonomy, attachment, and other forms of co-construction in contributing to the emergence of meaning making over time

Eloge du professeur Raoul Baron

Letard Étienne. Éloge du professeur Raoul Baron. In: Bulletin de l'Académie Vétérinaire de France tome 105 n°10, 1952. pp. 429-448

A propos d'une lettre de BEAUMARCHAIS à BOURGELAT

Letard Étienne. A propos d’une lettre de Beaumarchais à Bourgelat. In: Bulletin de l'Académie Vétérinaire de France tome 124 n°6, 1971. pp. 253-256

Partial Bandit and Semi-Bandit: Making the Most Out of Scarce Users' Feedback

Recent works on Multi-Armed Bandits (MAB) and Combinatorial Multi-Armed Bandits (COM-MAB) show good results on a global accuracy metric. This can be achieved, in the case of recommender systems, with personalization. However, with a combinatorial online learning approach, personalization implies a large amount of user feedbacks. Such feedbacks can be hard to acquire when users need to be directly and frequently solicited. For a number of fields of activities undergoing the digitization of their business, online learning is unavoidable. Thus, a number of approaches allowing implicit user feedback retrieval have been implemented. Nevertheless, this implicit feedback can be misleading or inefficient for the agent's learning. Herein, we propose a novel approach reducing the number of explicit feedbacks required by Combinatorial Multi Armed bandit (COM-MAB) algorithms while providing similar levels of global accuracy and learning efficiency to classical competitive methods. In this paper we present a novel approach for considering user feedback and evaluate it using three distinct strategies. Despite a limited number of feedbacks returned by users (as low as 20% of the total), our approach obtains similar results to those of state of the art approaches

Présentation d’instruments

Létard M. Présentation d’instruments. In: Bulletin de l'Académie Vétérinaire de France tome 104 n°1, 1951. pp. 30-33

Comparing System-response Retrieval Models for Open-domain and Casual Conversational Agent

International audienceThis paper studies corpus-based process to select a system-response usable both in chatterbot or as a fallback strategy. It presents, evaluates and compares two selection methods that retrieve and adapt a system-response from the OpenSubtitles2016 corpus given a human-utterance. A corpus of 800 annotated pairs is constituted. Evaluation consists in objective metrics and subjective annotation based on the validity schema proposed in the RE-WOCHAT shared task. Our study indicates that the task of assessing the validity of a system-response given a human-utterance is subjective to an important extent, and is thus a difficult task. Comparisons show that the selection method based on word embedding performs objectively better than the one based on TF-IDF in terms of response variety and response length

Femtosecond optical pump-probe reflectivity studies of spin-state photo-switching in the spin-crossover molecular crystals [Fe(PM-AzA)2(NCS)2]

International audienceWe report here on the ultrafast photo-switching dynamics of a Fe(II) molecular material [Fe(PM-AzA)2(NCS)2]. It undergoes a thermal spin-crossover which can be detected by magnetic measurements or by optical reflectivity. We use here femtosecond optical reflectivity to study the ultrafast photo-switching dynamics. Our results indicate that the HS state is reached from the LS state within less than 100 fs, through an intermediate MLCT state. This ultrafast relaxation from the electronic excited state towards the structurally relaxed HS state is followed by a vibrational cooling of the hot HS molecules within ≈1 ps timescale

Kit receptor tyrosine kinase dysregulations in feline splenic mast cell tumours

This study investigated Ki t receptor dysregulations (cytoplasmic immunohistochemical expression and/or c-KIT mutations) in cats a\ufb00ected with splenic mast cell tumours. Twenty-two cats were included. Median survival time was 780 days (range: 1\u20131219). An exclusive splenic involvement was signi\ufb01cantly (P = 0.042) associated with longer survival (807 versus 120 days). Eighteen tumours (85.7%) showed Kit cytoplasmic expression (Kit pattern 2, 3). Mutation analysis was successful in 20 cases. Fourteen missense mutations were detected in 13 out of 20 tumours (65%). Eleven (78.6%) were located in exon 8, and three (21.6%) in exon 9. No mutations were detected in exons 11 and 17. Seven mutations corresponded to the same internal tandem duplication in exon 8 (c.1245_1256dup). Although the association between Kit cytoplasmic expression and mutations was signi\ufb01cant, immunohistochemistry cannot be considered a surrogate marker for mutation analysis. No correlation was observed between c-Kit mutations and tumour di\ufb00erentiation, mitotic activity or survival

Optical Data Storage in Photosensitive Glasses and Spin State Transition Compounds

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