Heterogeneous Natural Language Processing Tools via Language Processing Chains Diman Karagiozov author 2011-09 text Proceedings of the Second Student Research Workshop associated with RANLP 2011 Irina Temnikova editor Ivelina Nikolova editor Natalia Konstantinova editor Association for Computational Linguistics Hissar, Bulgaria conference publication karagiozov-2011-heterogeneous https://aclanthology.org/R11-2015/ 2011-09 97 102