نتایج جستجو برای: perfective

تعداد نتایج: 271  

2002
STEPHEN R. SCHACH BO JIN GILLIAN Z. HELLER Stephen R. Schach

In 1978, Lientz, Swanson, and Tompkins published the results of a survey on software maintenance. They found that 17.4% of maintenance effort was categorized as corrective in nature, 18.2% as adaptive, 60.3% as perfective, and 4.1% was categorized as other. We refer to this result as “LST.” We contrast this survey-based result with our empirical results from the analysis of data for the repeate...

2004
Yoshiki Higo Toshihiro Kamiya Shinji Kusumoto Katsuro Inoue

Software maintenance is the most expensive activity in software development. Many software companies spent a large amount of cost to maintain the existing software systems. In perfective maintenance, refactoring has often been applied to the software to improve the understandability and complexity. One of the targets of refactoring is code clone. A code clone is a code fragment in a source code...

Journal: :International Journal of Software Engineering and Knowledge Engineering 2011
Luca Cernuzzi Ambra Molesini Andrea Omicini Franco Zambonelli

Changes and adaptations are always necessary after the deployment of a multi-agent system (MAS), as well as of any other type of software systems. Some of these changes may be simply perfective and have local impact only. However, adaptive changes to meet new situations in the operational environment of the MAS may impact globally on the overall design. More specifically, those changes usually ...

2005
Luca Cernuzzi Franco Zambonelli

Changes and adaptations are always necessary after the deployment of a multiagent system (MAS), as well as of any other type of software systems. Some of these changes may be simply perfective and have local impact only. However, adaptive changes to meet changed situations in the operational environment of the MAS may have global impact on the overall design. In this paper, we analyze the issue...

2002
Mari Olsen David Traum Carol Van Ess-Dykema Amy Weinberg

Machine translation between any two languages requires the generation of information that is implicit in the source language. In translating from Chinese to English, tense and other temporal information must be inferred from other grammatical and lexical cues. Moreover, Chinese multiple-clause sentences may contain inter-clausal relations (temporal or otherwise) that must be explicit in English...

2003
FRANK KELLER ANTONELLA SORACE

The main purpose of this paper is to provide experimental evidence that two syntactic reflexes of split intransitivity in German the selection of perfective auxiliaries and the impersonal passive construction are sensitive to an aspectual/thematic hierarchy of verb classes. We show that there is a split between ‘core’ verbs that elicit categorical intuitions from native speakers, and ‘intermedi...

2007
K. H. Bennett V. T. Rajlich

In the conventional view of the software life cycle, software is produced, delivered to the user, and then enters a maintenance stage. Maintenance is the more expensive and extensive activity, and many surveys exist that analyze it in terms of constituent activities such as corrective, perfective, adaptive maintenance, etc. In this paper, we suggest a different view that partitions the conventi...

2008
Anita Gupta Reidar Conradi Forrest Shull Daniela Cruzes Christopher Ackermann Harald Rønneberg Einar Landre

This paper reports on an industrial case study in a large Norwegian Oil and Gas company (StatoilHydro ASA) involving a reusable Java-class framework and an application that uses that framework. We analyzed software changes from three releases of the framework and the application. On the basis of our analysis of the data, we found that perfective and corrective changes account for the majority o...

Journal: :Journal of child language 2009
Paola Uccelli

This study describes how young Spanish-speaking children become gradually more adept at encoding temporality using grammar and discourse skills in intra-conversational narratives. The research involved parallel case studies of two Spanish-speaking children followed longitudinally from ages two to three. Type/token frequencies of verb tense, temporal/aspectual markers and narrative components we...

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