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RI structurée, RI et XML, RI précise

In this paper we present a clustering method for XML documents. Our step is twophase based: we first automatically extract the structure from the document; we then use it as model of representation to classify the document that it represents. The matching of the documents’ structures is based on the calculation of their similarities. For the experimentation we used the INEX. MOTS-CLÉS: Clusteri...

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OM Prakash.pmd

Metal complex of pioglitazone hydrochloride (PLZ) drug with Ni(II) ion is synthesized and characterized using analytical data, molar conductance, IR, UV-Vis, magnetic, mass spectral and XRD studies. From the analytical data, the complex is proposed to have general formula [(C 19 H 19 N 2 O 3 S)+ 2 Ni]2Cl-. The conductometric titration using monovariation method reveals that complex is L 2 M typ...

Wavelength (å)

We present near-infrared (observed frame) spectra of the high-redshift quasar S4 0636+68 at z = 3.2 which was previously thought to be one of a group of “strong” Fe II emitters (i.e., F (Fe IIλλ4434–4684)/F (Hβ) > 1). Our K-band spectrum clearly shows emission lines of Hβ and [O III]λλ4959, 5007 as well as optical Fe II emission. Our computed value of F (Fe II λλ4434–4684)/F (Hβ) ≃ 0.8 for S4 0...

RI-TAL : le TAL au service de la RI

How may Natural Language Processing serve Information Retrieval? This paper provides some clues in the context of the implementation of a search engine within an industrial application, TokTokTok, that gathers a large set of heterogeneous data about products of many kinds. We demonstrate that the enrichment of the database by semantic treatments improves the results of the search engine. On the...