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.

Minecraft 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 Survey

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

Parsing Minimalist Languages with Interpreted Regular Tree Grammars

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

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

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