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UKP: Computing Semantic Textual Similarity by Combining Multiple Content Similarity Measures
We present the UKP system which performed best in the Semantic Textual Similarity (STS) task at SemEval-2012 in two out of three metrics. It uses a simple log-linear regression model, trained on theExpand
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Extracting Lexical Semantic Knowledge from Wikipedia and Wiktionary
Recently, collaboratively constructed resources such as Wikipedia and Wiktionary have been discovered as valuable lexical semantic knowledge bases with a high potential in diverse Natural LanguageExpand
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Using Wiktionary for Computing Semantic Relatedness
We introduce Wiktionary as an emerging lexical semantic resource that can be used as a substitute for expert-made resources in AI applications. We evaluate Wiktionary on the pervasive task ofExpand
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Wisdom of crowds versus wisdom of linguists - measuring the semantic relatedness of words
In this article, we present a comprehensive study aimed at computing semantic relatedness of word pairs. We analyze the performance of a large number of semantic relatedness measures proposed in theExpand
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Analysis of the Wikipedia Category Graph for NLP Applications
In this paper, we discuss two graphs in Wikipedia (i) the article graph, and (ii) the category graph. We perform a graphtheoretic analysis of the category graph, and show that it is a scale-free,Expand
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DKPro Similarity: An Open Source Framework for Text Similarity
We present DKPro Similarity, an open source framework for text similarity. Our goal is to provide a comprehensive repository of text similarity measures which are implemented using standardizedExpand
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Approximate Matching for Evaluating Keyphrase Extraction
We propose a new evaluation strategy for keyphrase extraction based on approximate keyphrase matching. It corresponds well with human judgments and is better suited to assess the performance ofExpand
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Automatically Creating Datasets for Measures of Semantic Relatedness
Semantic relatedness is a special form of linguistic distance between words. Evaluating semantic relatedness measures is usually performed by comparison with human judgments. Previous test datasetsExpand
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Analyzing and accessing Wikipedia as a lexical semantic resource
We analyze Wikipedia as a lexical semantic resource and compare it with conventional resources, such as dictionaries, thesauri, semantic wordnets, etc. Di erent parts of Wikipedia re ect di erentExpand
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Recognizing Partial Textual Entailment
Textual entailment is an asymmetric relation between two text fragments that describes whether one fragment can be inferred from the other. It thus cannot capture the notion that the target fragmentExpand
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