Climbing towards NLU: On Meaning, Form, and Understanding in the Age of Data

no code implementations • ACL 2020 • Emily M. Bender, Alex Koller, er

The success of the large neural language models on many NLP tasks is exciting.

Natural Language Understanding Position

Saarland at MRP 2019: Compositional parsing across all graphbanks

no code implementations • CONLL 2019 • Lucia Donatelli, Meaghan Fowlie, Jonas Groschwitz, Alex Koller, er, Matthias Lindemann, Mario Mina, Pia Wei{\ss}enhorn

We describe the Saarland University submission to the shared task on Cross-Framework Meaning Representation Parsing (MRP) at the 2019 Conference on Computational Natural Language Learning (CoNLL).

Talking about what is not there: Generating indefinite referring expressions in Minecraft

no code implementations • WS 2019 • Arne K{\"o}hn, Alex Koller, er

When generating technical instructions, it is often necessary to describe an object that does not exist yet.

Object

Graph-Based Meaning Representations: Design and Processing

1 code implementation • ACL 2019 • Alex Koller, er, Stephan Oepen, Weiwei Sun

This tutorial is on representing and processing sentence meaning in the form of labeled directed graphs.

Sentence

Integrated sentence generation using charts

no code implementations • WS 2017 • Alex Koller, er, Nikos Engonopoulos

Integrating surface realization and the generation of referring expressions into a single algorithm can improve the quality of the generated sentences.

Sentence Text Generation

Parsing Minimalist Languages with Interpreted Regular Tree Grammars

no code implementations • WS 2017 • Meaghan Fowlie, Alex Koller, er

Coarse-To-Fine Parsing for Expressive Grammar Formalisms

no code implementations • WS 2017 • Christoph Teichmann, Alex Koller, er, Jonas Groschwitz

We generalize coarse-to-fine parsing to grammar formalisms that are more expressive than PCFGs and/or describe languages of trees or graphs.

A Feature Structure Algebra for FTAG

no code implementations • WS 2017 • Alex Koller, er

Generating Contrastive Referring Expressions

no code implementations • ACL 2017 • Mart{\'\i}n Villalba, Christoph Teichmann, Alex Koller, er

The referring expressions (REs) produced by a natural language generation (NLG) system can be misunderstood by the hearer, even when they are semantically correct.

Text Generation

Alto: Rapid Prototyping for Parsing and Translation

no code implementations • EACL 2017 • Johannes Gontrum, Jonas Groschwitz, Alex Koller, er, Christoph Teichmann

We present Alto, a rapid prototyping tool for new grammar formalisms.

Machine Translation Semantic Parsing +1

A constrained graph algebra for semantic parsing with AMRs

no code implementations • WS 2017 • Jonas Groschwitz, Meaghan Fowlie, Mark Johnson, Alex Koller, er

Semantic Parsing

Adaptive Importance Sampling from Finite State Automata

no code implementations • WS 2016 • Christoph Teichmann, Kasimir Wansing, Alex Koller, er

Efficient techniques for parsing with tree automata

no code implementations • ACL 2016 • Jonas Groschwitz, Alex Koller, er, Mark Johnson

Machine Translation Semantic Parsing

The Impact of Listener Gaze on Predicting Reference Resolution

no code implementations • IJCNLP 2015 • Nikolina Koleva, Mart{\'\i}n Villalba, Maria Staudte, Alex Koller, er

Text Generation

Graph parsing with s-graph grammars

no code implementations • IJCNLP 2015 • Jonas Groschwitz, Alex Koller, er, Christoph Teichmann

Dependency Parsing Semantic Parsing

Lexicalization and Generative Power in CCG

no code implementations • CL 2015 • Marco Kuhlmann, Alex Koller, er, Giorgio Satta

Semantic construction with graph grammars

no code implementations • WS 2015 • Alex Koller, er

Semantic Parsing

Semantic Dependency Graph Parsing Using Tree Approximations

no code implementations • WS 2015 • {\v{Z}}eljko Agi{\'c}, Alex Koller, er, Stephan Oepen

Dependency Parsing

Potsdam: Semantic Dependency Parsing by Bidirectional Graph-Tree Transformations and Syntactic Parsing

no code implementations • SEMEVAL 2014 • {\v{Z}}eljko Agi{\'c}, Alex Koller, er

Dependency Parsing Semantic Dependency Parsing

Generating effective referring expressions using charts

no code implementations • WS 2014 • Nikolaos Engonopoulos, Alex Koller, er

Predicting the Resolution of Referring Expressions from User Behavior

no code implementations • EMNLP 2013 • Nikos Engonopoulos, Mart{\'\i}n Villalba, Ivan Titov, Alex Koller, er

Text Generation

General binarization for parsing and translation

no code implementations • ACL 2013 • Matthias B{\"u}chse, Alex Koller, er, Heiko Vogler

Binarization Machine Translation +1

Proceedings of the 10th International Conference on Computational Semantics (IWCS 2013) -- Long Papers

no code implementations • WS 2013 • Alex Koller, er, Katrin Erk

Proceedings of the 10th International Conference on Computational Semantics (IWCS 2013) -- Short Papers

no code implementations • WS 2013 • Alex Koller, er, Katrin Erk

Incremental, Predictive Parsing with Psycholinguistically Motivated Tree-Adjoining Grammar

no code implementations • CL 2013 • Vera Demberg, Frank Keller, Alex Koller, er

Decomposing TAG Algorithms Using Simple Algebraizations

no code implementations • WS 2012 • Alex Koller, er, Marco Kuhlmann

TAG

Enhancing Referential Success by Tracking Hearer Gaze

no code implementations • WS 2012 • Alex Koller, er, Konstantina Garoufi, Maria Staudte, Matthew Crocker

Generation of landmark-based navigation instructions from open-source data

no code implementations • EACL 2012 • Markus Dr{\"a}ger, Alex Koller, er

Text Generation