This poster investigates problems and solutions for searching the Web for geospatial data produced by various levels of government. Currently, geospatial data to meet particular needs are difficult to find. We suggest using Internet DBMS and Semantic Web technology to improve search techniques over metadata by using context-oriented search phrases, full query expressions, and semantic mappings....

This study explores the scope properties of some indefinites in Japanese in terms of epsilon calculus. Different from ordinary noun phrases, quantificational noun phrases like indefinites are assigned higher-order categories and/or types in syntax, and taken to denote functions from sets to truth values in semantics, which results in great difficulty in deriving proper interpretations of senten...

Five experiments used self-paced reading time to examine the ways in which complex noun phrases (both conjoined NPs and possessive NPs) inuence the interpretation of referentially dependent expressions. The experimental conditions contrasted the reading of repeated names and pronouns referring to components of a complex NP and to the entire complex NP. The results indicate that the entity intr...

One of the main reasons for having low quality automatic extracts is the presence of dangling anaphors. This paper analyses the referential expressions in a corpus of human written scientific summaries and tries to identify ways for improving the quality of automatic extracts. By recording the distance between the anaphoric expressions and their referents we noticed that humans do not use an ag...

Treatment of Multiword Expressions (MWEs) is one of the most complicated issues in natural language processing, especially in Machine Translation (MT). The paper presents dictionary of MWEs for a English-Latvian MT system, demonstrating a way how MWEs could be handled for inflected languages with rich morphology and rather free word order. The proposed dictionary of MWEs consists of two constit...

For many NLP and IR applications, anchored temporal information extracted from textual documents is of utmost importance. Thus, temporal tagging – the extraction and normalization of temporal expressions – has gained a lot of attention in recent years and several tools such as HeidelTime and SUTime are proposed. However, such tools do not address textual phrases with temporal scopes like “Clint...

Opinionated expression extraction is a central problem in fine-grained sentiment analysis. Most existing works focus on either generic subjective expression or aspect expression extraction. However, in opinion mining, it is often desirable to mine the aspect specific opinion expressions (or aspectsentiment phrases) containing both the aspect and the opinion. This paper proposes a hybrid generat...

We extracted English expressions that appear in Japanese sentences in newspaper articles and on the Internet. The results obtained from the newspaper articles showed that the preposition “in” has been regularly used for more than ten years, and it is still regularly used now. The results obtained from the Internet articles showed there were many kinds of English expressions from various parts o...

In this paper we draw some connection between the relation linking polarity items with their licensors, and the one holding between wh-phrases and weak-islands. Moreover, we briefly sketch how these relations can be modelled into Categorial Type Logic. 1 Composition Relations Linguistic signs of a same semantic type may differ in their distribution behavior. This can be expressed by differentia...

This paper describes a novel sequence labeling method for identifying generic expressions, which refer to kinds or arbitrary members of a class, in discourse context. The automatic recognition of such expressions is important for any natural language processing task that requires text understanding. Prior work has focused on identifying generic noun phrases; we present a new corpus in which not...