Search Results for author: Peter D. Turney

Found 19 papers, 11 papers with code

Evolution of Symbiosis in the Game of Life: Three Characteristics of Successful Symbiotes

1 code implementation2 Apr 2021 Peter D. Turney

When we measure the fitness of a symbiote by making it compete with other symbiotes, we find that fitter symbiotes have significantly more management, mutualism, and interaction than less fit symbiotes.

Management

Measuring Behavioural Similarity of Cellular Automata

1 code implementation16 Oct 2020 Peter D. Turney

The Game of Life belongs to the set of semi-totalistic cellular automata, a family with 262, 144 members.

Evolution of Autopoiesis and Multicellularity in the Game of Life

1 code implementation23 Sep 2020 Peter D. Turney

We use the apgsearch software (Ash Pattern Generator Search), developed by Adam Goucher for the study of ashes, to analyze autopoiesis and multicellularity in Model-S. We find that the fitness of evolved seed patterns in Model-S is highly correlated with the diversity and quantity of multicellular autopoietic structures.

Conditions for Open-Ended Evolution in Immigration Games

1 code implementation6 Apr 2020 Peter D. Turney

The evidence suggests that a necessary and sufficient condition on the rules of Immigration Games, for open-ended evolution, is that the rules should allow growth.

Solitaire

The Natural Selection of Words: Finding the Features of Fitness

1 code implementation19 Aug 2019 Peter D. Turney, Saif M. Mohammad

We introduce a dataset for studying the evolution of words, constructed from WordNet and the Google Books Ngram Corpus.

Symbiosis Promotes Fitness Improvements in the Game of Life

1 code implementation19 Aug 2019 Peter D. Turney

Mutation, reproduction, and symbiosis are implemented as operations that are external to the Immigration Game.

Conditions for Major Transitions in Biological and Cultural Evolution

no code implementations20 Jun 2018 Peter D. Turney

More precisely, evolution by natural selection is a class of algorithms that share a set of properties.

Cultural Vocal Bursts Intensity Prediction

Leveraging Term Banks for Answering Complex Questions: A Case for Sparse Vectors

no code implementations11 Apr 2017 Peter D. Turney

While open-domain question answering (QA) systems have proven effective for answering simple questions, they struggle with more complex questions.

Open-Domain Question Answering

Semantic Composition and Decomposition: From Recognition to Generation

no code implementations30 May 2014 Peter D. Turney

A test for semantic composition is, given context vectors for the noun and modifier in a noun-modifier bigram ("red salmon"), generate a noun unigram that is synonymous with the given bigram ("sockeye").

Semantic Composition

Experiments with Three Approaches to Recognizing Lexical Entailment

1 code implementation31 Jan 2014 Peter D. Turney, Saif M. Mohammad

Two general strategies for RLE have been proposed: One strategy is to manually construct an asymmetric similarity measure for context vectors (directional similarity) and another is to treat RLE as a problem of learning to recognize semantic relations using supervised machine learning techniques (relation classification).

General Classification Lexical Entailment +2

Distributional semantics beyond words: Supervised learning of analogy and paraphrase

no code implementations TACL 2013 Peter D. Turney

There have been several efforts to extend distributional semantics beyond individual words, to measure the similarity of word pairs, phrases, and sentences (briefly, tuples; ordered sets of words, contiguous or noncontiguous).

Multiple-choice Task 2

Domain and Function: A Dual-Space Model of Semantic Relations and Compositions

1 code implementation16 Sep 2013 Peter D. Turney

Given appropriate representations of the semantic relations between carpenter and wood and between mason and stone (for example, vectors in a vector space model), a suitable algorithm should be able to recognize that these relations are highly similar (carpenter is to wood as mason is to stone; the relations are analogous).

Semantic Composition

Computing Lexical Contrast

no code implementations CL 2013 Saif M. Mohammad, Bonnie J. Dorr, Graeme Hirst, Peter D. Turney

We then present an automatic and empirical measure of lexical contrast that relies on the contrast hypothesis, corpus statistics, and the structure of a {\it Roget}-like thesaurus.

Information Retrieval Machine Translation +1

Crowdsourcing a Word-Emotion Association Lexicon

no code implementations28 Aug 2013 Saif M. Mohammad, Peter D. Turney

Even though considerable attention has been given to the polarity of words (positive and negative) and the creation of large polarity lexicons, research in emotion analysis has had to rely on limited and small emotion lexicons.

Emotion Recognition

Empirical Evaluation of Four Tensor Decomposition Algorithms

1 code implementation13 Nov 2007 Peter D. Turney

We recommend HOOI for tensors that are small enough for the available RAM and MP for larger tensors.

Collaborative Filtering Information Retrieval +2

Self-Replication and Self-Assembly for Manufacturing

1 code implementation27 Jul 2006 Robert Ewaschuk, Peter D. Turney

We demonstrate that a variety of polygonal meshes can be manufactured in the simulation, by simply changing the sequence of machine types in the seed.

Multiagent Systems Computational Engineering, Finance, and Science I.6.3; I.6.8; J.2; J.3

Measuring Semantic Similarity by Latent Relational Analysis

no code implementations10 Aug 2005 Peter D. Turney

This paper describes the LRA algorithm and experimentally compares LRA to VSM on two tasks, answering college-level multiple-choice word analogy questions and classifying semantic relations in noun-modifier expressions.

Multiple-choice Semantic Similarity +1

Thumbs Up or Thumbs Down? Semantic Orientation Applied to Unsupervised Classification of Reviews

1 code implementation11 Dec 2002 Peter D. Turney

A review is classified as recommended if the average semantic orientation of its phrases is positive.

General Classification

Mining the Web for Synonyms: PMI-IR versus LSA on TOEFL

no code implementations11 Dec 2002 Peter D. Turney

PMI-IR is contrasted with Latent Semantic Analysis (LSA), which achieves a score of 64% on the same 80 TOEFL questions.

Information Retrieval Retrieval

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