2011 IEEE 19th International Conference on Program Comprehension最新文献

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Exploring Large-Scale System Similarity Using Incremental Clone Detection and Live Scatterplots 利用增量克隆检测和活散点图探索大规模系统相似性
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.25
J. Cordy
{"title":"Exploring Large-Scale System Similarity Using Incremental Clone Detection and Live Scatterplots","authors":"J. Cordy","doi":"10.1109/ICPC.2011.25","DOIUrl":"https://doi.org/10.1109/ICPC.2011.25","url":null,"abstract":"Incremental clone detection is designed to efficiently find only those clones that cross between a previous version of a system and a new version in order to update a previous clone analysis. If we instead use a different system as the new version, then it can be used to find only those clones that cross between two different systems. Live scatter plots are a visualization technique that helps localize clones quickly using pop-up information directly from points in the scatter plot. In this paper we explore how these two can be used together to rapidly expose and analyze similarities between two different systems at several levels of abstraction. Using the NiCad incremental clone detector, we find function clones between two recent versions of Linux and FreeBSD, analyze the nature and causes of some of these similarities in detail, and compare our observations with the earlier study of token-sequence clones between previous versions of these systems using CCFinder almost a decade ago.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125357992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Precise and Scalable Querying of Syntactical Source Code Patterns Using Sample Code Snippets and a Database 使用示例代码片段和数据库的精确和可伸缩的语法源代码模式查询
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.31
O. Panchenko, J. Karstens, H. Plattner, A. Zeier
{"title":"Precise and Scalable Querying of Syntactical Source Code Patterns Using Sample Code Snippets and a Database","authors":"O. Panchenko, J. Karstens, H. Plattner, A. Zeier","doi":"10.1109/ICPC.2011.31","DOIUrl":"https://doi.org/10.1109/ICPC.2011.31","url":null,"abstract":"While analyzing a log file of a text-based source code search engine we discovered that developers search for fine-grained syntactical patterns in 36% of queries. Currently, to cope with queries of this kind developers need to use regular expressions, to add redundant terms to the query or to combine searching with other tools provided by the development environment. To improve the expressiveness of the queries, these can be formulated as tree patterns of abstract syntax trees. These search patterns can be expressed by using query languages, such as XPath. However, developers usually do not work with either XPath or with AST. To shield developers from the complexity of query formulation we propose using sample code snippets as queries. The novelty of our approach is the combination of a query language that is very close to the surface programming language and a special database technology to store a large amount of abstract syntax trees. The advantage of this approach over existing source code query languages and search engines is the performance of both query formulation and query execution. This paper describes the technical details of the method and illustrates the value of this approach with performance measures and an industrial controlled experiment. All developers were able to complete the tasks of the experiment faster and more accurately by using our tool (ACS) than by using a text-based search engine. The number of false positives in the result lists was significantly decreased.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"16 15","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113942417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Clustering Support for Static Concept Location in Source Code 源代码中静态概念位置的聚类支持
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.13
G. Scanniello, Andrian Marcus
{"title":"Clustering Support for Static Concept Location in Source Code","authors":"G. Scanniello, Andrian Marcus","doi":"10.1109/ICPC.2011.13","DOIUrl":"https://doi.org/10.1109/ICPC.2011.13","url":null,"abstract":"One of the most common comprehension activities undertaken by developers is concept location in source code. In the context of software change, concept location means finding locations in source code where changes are to be made in response to a modification request. Static techniques for concept location usually rely on searching the source code using textual information or on navigating the dependencies among software elements. In this paper we propose a novel static concept location technique, which leverages both the textual information present in the code and the structural dependencies between source code elements. The technique employs a textual search in that source code, which is clustered using the Border Flow algorithm, based on combining both structural and textual data. We evaluated the technique against a text search based baseline approach using data on almost 200 changes from five software systems. The results indicate that the new approach outperforms the baseline and that improvements are still possible.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124789813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 72
An Empirical Study of the Impacts of Clones in Software Maintenance 克隆对软件维护影响的实证研究
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.14
Manishankar Mondal, M. S. Rahman, Ripon K. Saha, C. Roy, J. Krinke, Kevin A. Schneider
{"title":"An Empirical Study of the Impacts of Clones in Software Maintenance","authors":"Manishankar Mondal, M. S. Rahman, Ripon K. Saha, C. Roy, J. Krinke, Kevin A. Schneider","doi":"10.1109/ICPC.2011.14","DOIUrl":"https://doi.org/10.1109/ICPC.2011.14","url":null,"abstract":"The impacts of clones on software maintenance is a long-lived debate on whether clones are beneficial or not. Some researchers argue that clones lead to additional changes during the maintenance phase and thus increase the overall maintenance effort. Moreover, they note that inconsistent changes to clones may introduce faults during evolution. On the other hand, other researchers argue that cloned code exhibits more stability than non-cloned code. Studies resulting in such contradictory outcomes may be a consequence of using different methodologies, using different clone detection tools, defining different impact assessment metrics, and evaluating different subject systems. In order to understand the conflicting results from the studies, we plan to conduct a comprehensive empirical study using a common framework incorporating nine existing methods that yielded mostly contradictory findings. Our research strategy involves implementing each of these methods using four clone detection tools and evaluating the methods on more than fifteen subject systems of different languages and of a diverse nature. We believe that our study will help eliminate tool and study biases to resolve conflicts regarding the impacts of clones on software maintenance.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128642671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 45
Satisfying Programmers' Information Needs in API-Based Programming 基于api的编程中满足程序员的信息需求
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.16
C. R. Rupakheti, Daqing Hou
{"title":"Satisfying Programmers' Information Needs in API-Based Programming","authors":"C. R. Rupakheti, Daqing Hou","doi":"10.1109/ICPC.2011.16","DOIUrl":"https://doi.org/10.1109/ICPC.2011.16","url":null,"abstract":"Programmers encounter many difficulties in using an API to solve a programming task. To cope with these difficulties, they browse the Internet for code samples, tutorials, and API documentation. In general, it is time-consuming to find relevant help from the plethora of information on the web. While programmers can use search-based tools to help locate code snippets or applications that may be relevant to the APIs they are using, they still face the significant challenge of understanding and assessing the quality of the search results. We propose to investigate a proactive help system that is integrated in a development environment to provide contextual suggestions to the programmers as the code is being read and edited in the editor.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121751483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Programming from the Reader's Perspective: Toward an Expectations Approach 从读者的角度编程:迈向期望方法
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.32
G. Samaraweera, Macneil Shonle, J. Quarles
{"title":"Programming from the Reader's Perspective: Toward an Expectations Approach","authors":"G. Samaraweera, Macneil Shonle, J. Quarles","doi":"10.1109/ICPC.2011.32","DOIUrl":"https://doi.org/10.1109/ICPC.2011.32","url":null,"abstract":"There are many guidelines for composing programs, but few methodologies take into account the expectations readers have when reading an unfamiliar program. As a result, code that seems well-written and clear to the developer might not be read and interpreted by the reader in the way the programmer expected. We conducted a survey of Java programmers to determine how a program's structure may signal subjective cues to the reader. We found that the use of meaning-preserving program refactorings had a measurable effect on what readers believed the programmer's main intention was.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122284481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Trustrace: Improving Automated Trace Retrieval through Resource Trust Analysis 信任:通过资源信任分析改进自动跟踪检索
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.55
Nasir Ali
{"title":"Trustrace: Improving Automated Trace Retrieval through Resource Trust Analysis","authors":"Nasir Ali","doi":"10.1109/ICPC.2011.55","DOIUrl":"https://doi.org/10.1109/ICPC.2011.55","url":null,"abstract":"Traceability is a task to create/recover traceability links among different software artifacts. It uses resources, such as an expert, source and target document, and traceability approach, to create/recover traceability links. However, it does not provide any guidance that how much we can trust on available resources. We propose Trustrace, a trust-based traceability recovery process, to improve expert trust on a recovered link and trust over the traceability inputs. Trustrace has three sub components, in particular, Link trust improver (LTI), traceability factor controller (TFC), and a hybrid traceability approach (HTA). LTI uses various source of information, such as temporal information, design documents, source code structure, and so on, to increase experts' trust over a link. To develop TFC, we will perform a systematic literature review and empirical studies to find out which factors impact the traceability-process inputs and document these factors in a trust pattern. TFC trust pattern will help practitioner and researchers to know which steps they can take to avoid/control these factors to improve their trust on these inputs. In the HTA, we will combine different traceability recovery approaches. All approaches have different positive and negative points, we will combine all the positive points of different approaches to increase experts' trust over the HTA. In Trustrace, HTA will implement the LTI model following TFC instructions to improve the expert trust over recovered link as well as precision and recall.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114705131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Generating Parameter Comments and Integrating with Method Summaries 生成参数注释并与方法摘要集成
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.28
G. Sridhara, L. Pollock, K. Vijay-Shanker
{"title":"Generating Parameter Comments and Integrating with Method Summaries","authors":"G. Sridhara, L. Pollock, K. Vijay-Shanker","doi":"10.1109/ICPC.2011.28","DOIUrl":"https://doi.org/10.1109/ICPC.2011.28","url":null,"abstract":"An important part of the leading comments for a method are the comments for the formal parameters of the method. According to the Java documentation writing guidelines, developers should write a summary of the method'sactions followed by comments for each parameter. In this paper, we describe a novel technique to automatically generate descriptive comments for parameters of Java methods. Such generated comments can help alleviate the lack of developer written parameter comments. In addition, they can help a programmer in ensuring that a parameter comment is current with the code. We present heuristics to generate comments that provide a high-level overview of the role of a parameter in a method. We ensure that sufficient context is provided such that a developer can understand the role of the parameter in achieving the computational intent of the method. In the opinion of nine experienced developers, the automatically generated parameter comments for methods are accurate and provide a quick synopsis of the role of the parameter in achieving the desired functionality of the method.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114878732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 105
SeClone - A Hybrid Approach to Internet-Scale Real-Time Code Clone Search 克隆——一种互联网规模实时代码克隆搜索的混合方法
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.29
I. Keivanloo, J. Rilling, P. Charland
{"title":"SeClone - A Hybrid Approach to Internet-Scale Real-Time Code Clone Search","authors":"I. Keivanloo, J. Rilling, P. Charland","doi":"10.1109/ICPC.2011.29","DOIUrl":"https://doi.org/10.1109/ICPC.2011.29","url":null,"abstract":"Real-time code clone search is an emerging family of clone detection research that aims at finding clone pairs matching an input code fragment in fractions of a second. For these techniques to meet actual real world requirements, they have to be scalable and provide a short response time. Our research presents a hybrid clone search approach using source code pattern indexing, information retrieval clustering, and Semantic Web reasoning to respectively achieve short response time, handle false positives, and support automated grouping/querying.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133597788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
On the Effect of the Query in IR-based Concept Location 基于ir的概念定位查询效果研究
2011 IEEE 19th International Conference on Program Comprehension Pub Date : 2011-06-22 DOI: 10.1109/ICPC.2011.48
S. Haiduc, Andrian Marcus
{"title":"On the Effect of the Query in IR-based Concept Location","authors":"S. Haiduc, Andrian Marcus","doi":"10.1109/ICPC.2011.48","DOIUrl":"https://doi.org/10.1109/ICPC.2011.48","url":null,"abstract":"Concept location is an essential task during software maintenance and in particular program comprehension activities. One of the approaches to this task is the based on leveraging the lexical information found in the source code by means of Information Retrieval techniques. All IR-based approaches to concept location are highly dependent on the queries written by the users. An IR approach, even though good on average, might fail when the input query is poor. Currently there is no way to tell when a query leads to poor results for IR-based concept location, unless a considerable effort is put into analyzing the results after the fact. We propose an approach based on recent advances in the field of IR research, which aims at automatically determining the difficulty a query poses to an IR-based concept location technique. We plan to evaluate several models and relate them to IR performance metrics.","PeriodicalId":345601,"journal":{"name":"2011 IEEE 19th International Conference on Program Comprehension","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129815181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
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