Estimation of the quality based on absence/presence of words in the TagParser lexicon.

year	nb of papers from the metadata	nb of papers in PDF	nb of papers in XML (= output of PDFBox)	nb of non empty papers as extraction result	nb of papers with an abstract (from extraction)	nb of papers with references (from extraction)	nb of unknown words	nb of known words	nb of words of the content	evaluation of noise = pourcentage of nb of known words / nb of words of the content	evaluation of silence = pourcentage of non empty papers as extraction result / PDF docs	combined evaluation of noise and silence	nb of English papers	nb of French papers	nb of papers in another language (es+de+ru)
2005	19	19	19	19	15	18	2759	143201	145960	98.110	100.000	99.046	19	0	0
2006	26	26	26	26	24	25	3576	173193	176769	97.977	100.000	98.978	26	0	0
2007	22	22	22	22	22	22	3266	178879	182145	98.207	100.000	99.095	22	0	0
2008	23	23	23	23	21	23	2823	160420	163243	98.271	100.000	99.128	23	0	0
2009	20	20	20	20	19	20	3205	169121	172326	98.140	100.000	99.061	20	0	0
2010	20	20	19	19	18	19	4008	164594	168602	97.623	95.000	96.294	19	0	0
2011	26	26	26	26	24	26	5167	207070	212237	97.565	100.000	98.768	26	0	0
2012	33	33	33	33	32	31	4514	288702	293216	98.461	100.000	99.224	33	0	0
2013	56	56	56	56	52	56	10208	541848	552056	98.151	100.000	99.067	56	0	0
2014	31	31	31	31	29	30	6126	291911	298037	97.945	100.000	98.962	31	0	0
2015	32	32	32	32	32	32	7431	349471	356902	97.918	100.000	98.948	32	0	0
total	308	308	307	307	288	302	53083	2668410	2721493	98.049	99.675	98.856	307	0	0

Note#1: the unknowns with initiale lower-case letter denote some full-size unknown words but often words which have been cut due to bad interpreation of PDF multi-columns by PDFBox.

Note#2: a paper without any content (i.e. without any body) is not taken in the pipeline. This situation may be the consequence of a processing problem or may be it is an invited presentation without any text.In constrast, a paper without abstract is taken.

Note#3: a paper without any content holds an entry in the metadata, and normally, each paper has an entry in the metadata.

Note#4: the combined evaluation is computed as: 2*EvalNoise*EvalSilence / EvalNoise+EvalSilence

total elapsed time (read and display included)= 1.3692666666666669 minutes with 8 cores

computed on: Sun Sep 25 19:15:14 CEST 2016 from: METADONNEES_LRE_090115.txt