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CHANGELOG.md

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Changelog

1.17 websockets - 28-05-2023

  • completed the blocks-world interaction
  • use of websockets replaces the complicated client-server interaction

1.16 agreement / more anaphora - 07-11-2022

  • add agreement checks to grammar, for example go:agree(E1, gender, male)
  • explicit representation of sorts go:has_sort(E1, block)
  • better anaophora resolution, also for events go_reference() go_reflective_reference() go_labeled_reference() go_reference_slot()
  • separated intent from sense

1.15 client / server - 12-03-2022

  • a permanent server keeps processes active
  • keywords if/then/else/end
  • assignment via [X := n]
  • expressions for common procedure calls
  • use procedure-calls as arguments

1.14 the "why?" release - 15-01-2022

  • translation of canned texts using CSV files
  • ellipsis / path DSL
  • discourse entities
  • centering
  • parsing multiple sentences on a line

1.13 asynchronous execution - 26-03-2021

  • asynchronous execution of mentalese code
  • processing of input has been rewritten as a mentalese program
  • goals, actions
  • explicit declaration of the rule base that accepts a new rule

1.12 morphological analyzer - 20-12-2020

  • nli executable allows interactive session
  • insert / delete in MySQL
  • relation tags {{ Variable }} to help generate compound sentences
  • allow for left recursion in generation grammar
  • local variables; let
  • separated sort extraction from parsing
  • support for comparatives and superlatives
  • morphological analyzer

1.11 modules - 13-09-2020

  • namespaces; predicate prefixing
  • modules
  • sort hierarchy
  • configuration from JSON to YAML
  • configurable tokenizer expression
  • data type list and list functions
  • if_then_else

1.10 strong negation - 01-06-2020

  • strong negation: the negation operator for relations
  • the predicate exec to execute a shell command
  • changed the order child sense order evaluation from post-order to pre-order

1.9 generalized quantifiers - 02-05-2020

  • any relationset can now be used as a quantifier
  • back_reference() definite_reference()

1.8 do/find - 21-04-2020

  • do / find for different kinds of iterating over entities
  • not()
  • multiple entities per anaphora queue position
  • allow string constants in grammar rewrite rules
  • merged lexicon into grammar

1.7 Anaphora resolution - 15-02-2020

  • Handles pronouns and other entity references
  • Extract all parse trees

1.6 Database linking and case-insensitive proper nouns - 07-02-2020

  • Support for queries that span multiple databases (with different entity ids)
  • Support for case-insensitive proper nouns

1.5: Providing support for new DBpedia queries - 21-01-2019

  • Only real quantifiers like ALL are handled with quantification; numbers are not
  • syntactic relations are modelled after Stanford Parser Universal Dependencies
  • introduce root()
  • Start logging anonymous user interactions to get a feel of what types of questions the users of dbpedia test app pose en then support these types of questions
  • checking entity types in predicate arguments for better name resolution
  • Support for non-ASCII letters

Added DBpedia demo support for:

  • "Who is X?"
  • "When did X die?"
  • the father of X
  • "What is the capital of X?"
  • "How many countries have population above 130000000?"

1.4: Interactive with dialog context - 15-12-2018

  • When a question is about Lord Byron, and the database has two persons "Lord Byron" asks "which one"
  • Dialog context to store the selected person by the user

1.3: Simple DB-pedia queries - 24-09-2017

  • Domain - knowledge base mapping changes from 1:n to n:m
  • Support for Sparql bases
  • Intermediate results are logged
  • Optimization phase using knowledge base statistics

1.2: Command-line app "nli" - 06-05-2017

  • An executable application with "answer" and "suggest subcommands"
  • Use an existing javascript autosuggest line editor (Tag-it!) and create an example web app
  • Build an example application from a configuration file
  • Rebuild of log as a proper dependency and with productions

1.1: Quantifier Scoping - 11-04-2017

  • handle scoped questions
    • One sentence with ALL and 2 as quantifiers
    • One sentence where the right quantifer outscopes the left
  • examples from relationships
  • new: parse tree as new step

1: simple full-circle nli - 28-02-2017

  • language: english
  • question types: yes/no, who, which, how many
  • second order predicates, aggregations
  • proper nouns
  • real database access (MySQL)
  • a few simple questions
  • simple natural language responses
  • working example