@inbook{ OLVERA_GUTIÉRREZ:13-22,

author = { Mª DOLORES OLVERA LOBO and JUNCAL GUTIÉRREZ ARTACHO } ,

title = { Question-answering track evaluation in TREC, CLEF and NTCIR },

booktitle = { New contributions in information systems and technologies },

isbn = { 9783319164854 },

publisher = { Springer },

pages = { 13 - 22 },

year = { 2015 },

}