§  document fields used for index creation
classification, title, abstract, description, claims

§  (number of) created indexes, index languages
only english index from english text in patents only

§  document fields used for query generation
classification, title, abstract, description, claims

§  pre-processing of documents/topics
stopwords removal, stemming, numbers removal

§  indexing, retrieving systems
Indri

§  ranking model
Language model+inferred network

§  use of cross-language and language specific methods you've made use of
All non-english topics are translated using google translate

§  any other notes of relevance to your work and this track