nordlys.services.tti module

Target Type Identification

The command-line application for target type identification.

Usage

python -m nordlys.services.tti <config_file> -q <query>

If -q <query> is passed, it returns the results for the specified query and prints them in terminal.

Config parameters

• method: name of TTI method; accepted values: [“tc”, “ec”, “ltr”]
• num_docs: number of documents to return
• start: starting offset for ranked documents
• model: retrieval model, if method is “tc” or “ec”; accepted values: [“lm”, “bm25”]
• ec_cutoff: if method is “ec”, rank cut-off of top-K entities for EC TTI
• field: field name, if method is “tc” or “ec”
• smoothing_method: accepted values: [“jm”, “dirichlet”]
• smoothing_param: value of lambda or mu; accepted values: [float or “avg_len”]
• query_file: path to query file (JSON)
• output_file: path to output file (JSON)
• trec_output_file: path to output file (trec_eval-formatted)

Example config

{ "method": "ec",
  "num_docs": 10,
  "model": "lm",
  "first_pass": {
      "num_docs": 50
  },
  "smoothing_method": "dirichlet",
  "smoothing_param": 2000,
  "ec_cutoff": 20,
      "query_file": "path/to/queries.json",
      "output_file": "path/to/output.txt",
    }

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Author:Dario Garigliotti

class nordlys.services.tti.TTI(config)

Bases: object

batch_identification()

Annotates, in a batch, queries with identified target types, and outputs results.

identify(query)

Performs target type identification for the query.

Parameters:query (str) – query string Returns:annotated query

nordlys.services.tti.arg_parser()

nordlys.services.tti.main(args)