Báo cáo khoa học: "Phytovolume, phytomasse et relations structurales chez quelques arbustes méditerranéens" doc

... II). Original article Phytovolume, phytomasse et relations structurales chez quelques arbustes méditerranéens D Armand M Etienne C Legrand J Marechal JC Valette 1 INRA, Unité d’Écodéveloppement, ... classes ont été retenues pour chaque espèce, avec des seuils de 40 et 80 cm pour le ciste, 60 et 90 cm pour le cytise, 30 et 60 cm pour la br...

Ngày tải lên: 08/08/2014, 23:22

... “non-distributional” methods and integrated approaches Our method is a “non-distributional” approach for detecting semantic relations between verbs. We are interested in comparing and integrating our method ... this paper we propose a novel approach to identify asymmetric relations between verbs. The main idea is that asymmetric entailment relations between verbs can be analysed in the...

Ngày tải lên: 20/02/2014, 12:20

... peupleraie P1 a fait l’objet d’une opération de disquage en juin et en août, et se trouve à la veille d’un troisième entretien. La peupleraie P2 a été entretenue deux fois en juillet et en août. Quant ... P.S., Pickett S.T.A., Natural disturbance et patch dynamics: an introduction, in: Pickett S.T.A., White P.S (Eds.), The ecology of natural disturbance et patch dynamics, Academic P...

Ngày tải lên: 08/08/2014, 14:22

... types of relations between events: temporal rela- tions between an event and a time expres- sion, between a pair of events and between an event and the document creation time. These types of relations ... predicting relations in a more global manner. However, while they focused only on the temporal relations between events mentioned in a document, we also jointly predict the temporal...

Ngày tải lên: 08/03/2014, 00:20

... its observed competitive performance on very diverse datasets (Ray and Craven, 2005). Let X be the set of bags used for training, X p ⊆ X the set of posi- tive bags, and X n ⊆ X the set of negative ... system targeted to a fixed binary relationship R. The only supervision given to the learning algo- 576 need: “return all documents containing a 1 and a 2 in the same sentence”.  The returned do...

Ngày tải lên: 23/03/2014, 18:20

... (Verhagen et al., 2010) for better comparison 189 tions in a document, and a set of time expressions in the same document, find all instances of the t link relation between elements of the two input sets. ... machine reading is actively driving research in this area (Etzioni et al., 2007; Barker et al., 2007; Clark and Harrison, 2010; Strassel et al., 2010). Temporal information is a c...

Ngày tải lên: 24/03/2014, 03:20

... of the relational similarity between pairs of words, ℜ∈):,:(sim 2211r YXYX . Let }:,,:{ 11 nn YXYXW  = be a set of word pairs and let },,{ 1 m PPP  = be a set of patterns. The pertinence ... is easier to identify semantic rela- tions between nouns than between other parts of speech. Therefore we use WordNet 2.0 (Miller, 1995) to guess whether i X and i Y are likely to be nouns. .....

Ngày tải lên: 31/03/2014, 01:20

... candidate is a possible match, so it will get a partial 6 If a document contains same type of events extracted from previous steps, the document is a relevant document to the pattern. 301 are ... syntactic relations (POS and phrase dependencies), as well as semantic relations, such as entity tags (e.g., Person, Company, etc.) of event roles and word sense designations (based on...

Ngày tải lên: 31/03/2014, 20:20

... différence significative entre les espèces parentales E. camaldulen - sis, E. tereticornis et leurs hybrides E. camaldulensis × E. tereticornis et E. tereticornis × E. camaldulensis (F 0,95 obs. = 20) (tableau IIIb). ... albaku - tia, E. grandis Hill. ex. Maid. et E. tereticornis Sm. ont été étudiées. L’effet des croisements dans les deux sens entre espèces parentales sur la quantité e...

Ngày tải lên: 08/08/2014, 14:21

... réciproques et, éventuellement, des autofécondations. Elle est donnée par Garretsen et Keuls ( 1977) pour le modèle aléatoire et Keuls et Garretsen (1978) pour le modèle à effets ... croisée, y ijk = μ + ai + β j + (aβ) ij + e ijk où ai est un effet aléatoire et β j un effet fixé. En présence d’interacti...

Ngày tải lên: 08/08/2014, 18:21