Marcirio Silveira Chaves

​ Pontifical Catholic University of Rio Grande do Sul (PUCRS) · Business School

The literature on the use of social media by banks is focused on specific processes that do not provide an integrated view of bank processes through social networks (SN). This article proposes FACEBAN – a prescriptive framework for the use of Facebook by banks. The research is structured in two phases of data collection, with two pieces of document...

Knowledge sharing (KS) has been gaining the attention of researchers, including the banking sector, for decades. Current research on KS in this sector covers various sources and repositories, making a systematic literature review necessary for a better understanding of the subject. The aim of this article is to understand how studies on KS in the b...

A área de Gerenciamento de Projetos (GP) é um domínio orientado à prática, mas as abordagens baseadas na prática permanecem sub-representadas em comparação com estudos teóricos e empíricos. Este cenário abre espaço para um melhor entendimento de como promover o engajamento entre acadêmicos e profissionais para estudar tópicos relevantes para a prát...

Despite the positive influence of risk management in Information Technology (IT) project results, many project managers are not managing risks or are managing them partially. To enhance risk management, collaborative project management has gained attention in recent years with the introduction of Web 2.0 tools. Project managers have used such tools...

Purpose - The social media have become powerful tools that can be used to do much more than connecting relatives and friends, helping find a job or providing advertising space. This study aims to present the benefits of combining the subjects related to Knowledge Sharing, Social Media and Social Capital theory.Design/methodology/approach – Literatu...

Objective: This article analyzes the characteristics of the Knowledge Management (KM) implementation frameworks published in high impact magazines, and seeks to answer the following research question: How are Knowledge Management implementation frameworks characterized? Design/methodology/approach: Through a literature review, ten Knowledge Managem...

The literature on the use of social media by banks is focused on specific processes that do not provide an integrated view of bank processes through social networks (SN). This article proposes FACEBAN – a prescriptive framework for the use of Facebook by banks. The research is structured in two phases of data collection, with two pieces of document...

Objective: To verify how Knowledge Management (KM) is being associated with Smart Cities (SC) initiatives, through the analysis of the scientific production of both themes in indexing journals in the last 10 years. This article has three research questions: 1. What are the methodological approaches adopted to investigate research problems on KM in...

We live in an economy based on knowledge where the socialization that takes place through relation networks is the key in the construction of this knowledge. The aim of this research is to explore the state of the art of Knowledge Management in teams inside organizations and in conjunction with the theory of Social Capital. To achieve the proposed...

To date, research on stand‐alone social media (SM) in isolated knowledge management (KM) processes has been lacking. Due to the fact that a complex and multifaceted link exists between SM and KM, this gap can be filled by holistic research. This article investigated this issue by employing a systematic literature review comprising articles publishe...

Knowledge management (KM) dynamics have caused a lack of traceability and loss of explicit and tacit knowledge during a project's lifecycle. In addition, individuals desire ease of use and accessibility, suggesting that social media (SM) should be integrated. For this purpose, this research analyzed a solution with a technical instrument, through a...

A distribuição no desenvolvimento de software está se tornando cada vez mais comum para economizar o custo de produção e reduzir o tempo de lançamento no mercado. Distância geográfica, diferentes fusos horários e diferenças culturais no desenvolvimento global de software (DGS) levam a uma comunicação fraca que afeta negativamente o projeto. É críti...

Os avanços tecnológicos no ambiente bancário têm provocado mudanças relevantes nos serviços fornecidos a clientes. As instituições passaram a disponibilizá-los via canais alternativos, como o mobile banking. No entanto, ainda há resistências quanto ao seu uso. Este trabalho analisa quais são os fatores que influenciam a adoção do mobile banking no...

Because knowledge sharing (KS) can leverage project results, this paper aims to analyze the relationship between KS and the project management process groups (PMPGs). This qualitative research, conducted in large information technology (IT) companies, consists of two phases: (a) an exploratory phase, based on content analysis of nine interviews and...

This research-in-progress aims to address the complex phenomenon of knowledge sharing within the context of social media. The objective of this paper is to examine how the affordances of social media impact knowledge sharing dynamics in intra-organizational Information Technology (IT) projects. This paper adopts Design Science Research (DSR) as res...

Cada vez mais o tema lições aprendidas em projetos vem se fazendo presente, haja vista a sua abordagem nas instituições e a crescente produção de pesquisas acadêmicas. Modelos para Gestão de Lições Aprendidas (GLA) vêm sendo desenvolvidos, apoiados em processos e ferramentas como os softwares sociais (e.g. Wikis, Blogues e Microblogues). Consideran...

This research explores the gap in the management of lessons learned (MLL) in an Information Technology project (IT), validating a model (named Target) with the support of a wiki platform in a medium-sized company in the IT industry. This model supports the following MLL processes: awareness, collection, verification, storage, dissemination and reus...

Since media social as Wikis, blogs and microblogs achieve corporate environments, they have gained attention in latest years in the daily life of organizations so they can be incorporated into the project management as the collaborative tools. Regarding organizations, these tools can facilitate the sharing of lessons learned and knowledge among emp...

Purpose – The purpose of this paper is to develop and validate a model of adoption of social media to assist project managers in the treatment of lessons learned (LL). Target, a collaborative model to foster learning in projects, approaches the problem of LL management from nearly a new light and perspective. Design/methodology/approach – This res...

Este ensaio teórico tem por objetivo propor um modelo conceitual de gestão de portfólio de projetos (GPP) consolidado da literatura. Utilizando-se da pesquisa bibliográfica, foram identificados oito modelos de gestão de portfólio de projetos, que foram analisados, comparados e consolidados em termos de dimensões comuns. Os resultados apresentam um...

In any organization, dealing with lessons learned is a complex issue that involves people, processes and technologies. Although lessons learned processes are already well established in the project management community, the use of modern web technologies to support them is still in its infancy. This paper introduces a new model to manage lessons le...

Information Technologies 2.0 (IT 2.0) is transforming the project management by improving communication and collaboration. It provides better experience than the traditional software package allowing document sharing, integrated task tracking, enforcing team processes and agile planning. Despite the benefits brought by IT 2.0, their use to promote...

Information Technologies 2.0 (IT 2.0) is transforming the project management by improving communication and collaboration. It provides better experience than the traditional software package allowing document sharing, integrated task tracking, enforcing team processes and agile planning. Despite the benefits brought by IT 2.0, their use to promote...

This paper identifies risks associated with stakeholders in IT projects in the period of merger in telecommunications companies and proposes mitigation actions. It adopts an interpretive epistemology in an exploratory case study. The results include a list of unique risks in IT projects in such a period and recommendations for mitigating the risks...

Resumo Este artigo propõe WikiRiskMan, um framework baseado em uma wiki para suportar a gestão de riscos em projetos, considerando os processos do PMBoK ®. As ferramentas baseadas na plataforma web 2.0, como as wikis, têm revolucionado a comunicação interpessoal nos últimos anos, facilitando o trabalho colaborativo e aproveitando a inteligência col...

One of the most challenging issues in Project Management is dealing with Lessons Learned, which are present throughout the project. Web 2.0 technologies, e.g. wikis, blogs and social networks, can support the processes of collecting, storing, sharing, applying and reusing Lessons Learned in a project. Using such technologies to manage Lessons Learn...

Web 2.0 is an environment with new opportunities and challenges for businesses. This paper aims to discuss the role of blogs for companies and how companies can approach the bloggers, taking them as co-producers of value to the brand. This research uses a qualitative, descriptive and exploratory approach. The research method used was the case study...

This paper identifies risks of scope and organizational risks in IT projects during the merger period in telecommuni-cations companies and proposes actions for risk mitigation. It adopts an interpretive epistemology in an exploratory case study. The results include a list of unique risks about IT projects in such period, and recommendations for mit...

Most libraries, museums and archives have all their cultural asset information digitalized and catalogued. Although much of this information is already available on the web, it is made in an individual manner and in a cramped way. Data associated to a cultural asset cannot be easily semantically correlated to any other complementary information dig...

Dealing with lessons learned is a complex issue that involves people, processes and technologies in any organization. Even following the recommendations of the main project management methodologies (PMMs), literature points out that the use of lessons learned is limited in projects. Project managers and team members have difficulty for learning fro...

One of the challenges in Project Management (PM) is the introduction of information technology in PM methodologies. To deal with this issue, the use of Web 2.0 technologies to support virtual work and virtual management of projects has gained attention in recent years. At the same time, the adoption of agile methodologies has grown to better assist...

The web 2.0 is transforming the project management in organizations by improving communication and collaboration. The new generation of web-based collaborative tools provides much better experience than the traditional software package allowing document sharing, integrated task tracking, enforcing team processes and agile planning. Despite of the i...

The scientific interest in the analysis of online reviews available on the Web 2.0 is growing. The results are usually massive and made available in tabular or textual format. As a result, the readability of information is reduced and consequently the human-machine interaction is compromised. Moreover, the area of Information Visualization (VI) can...

Existe atualmente um crescente interesse científico na análise de opiniões online disponíveis na Web 2.0. Os resultados são normalmente volumosos e disponibilizados em formato tabular ou textual. Em função disso, a legibilidade da informação é reduzida e consequentemente a interação homem-máquina fica comprometida. Por outro lado, a área de Visuali...

Research about User-Generated Content (UGC) have gained attention in the fields of Tourism and Hospitality in the last years. This study focus on online reviews about alternative accommodations - B&Bs and Inns. The development of this work was realized applying inductive methods and using an exploratory approach. We collected a sample of 450 online...

This paper presents a novel approach based on the Appraisal Theory to analyze user-generated, open-ended online restaurant reviews. We selected reviews (N=1100) from restaurants of two Portuguese touristic regions and focus, through content analysis, on the recognition of the main aspects, sentiments and types of attitude mentioned in such reviews....

This paper presents a novel approach based on the Appraisal Theory to analyze user-generated, open-ended online restaurant reviews. We selected reviews (N=1100) from restaurants of two Portuguese touristic regions and focus, through content analysis, on the recognition of the main aspects, sentiments and types of attitude mentioned in such reviews....

Social websites contain a wealth of data that constitute new information sources to be integrated in Customer Knowledge Management (CKM) companies' initiatives. The hotel sector is strongly affected by the comments written in such sites. These comments often help guests decide whether making a reservation. Hotel managers need Information Systems to...

abStRact To achieve a good level in information deliv-ery it is important to know the end-user's visual model. On the other hand, it is also relevant to identify and characterize data accordingly to map it properly in visual terms. Although several guidelines are used in the Information Visualization field, there is still a lack of a solid and comp...

The information visualization is still a knowledge field that lacks from a solid theory to support it and there is a myriad of existing methodologies and taxonomies that can be combined and adopted as guidelines. In this context, it is necessary to pre-evaluate as much as possible all the assumptions that are considered for its design and developme...

This study presents a characterisation of online reviews for small and medium hotels (SMH) in Portugal. We collected and analysed 1500 online reviews from 50 SMH. The findings show that room, staff and location were the concepts most frequently appeared in the reviews, with cleanliness, friendliness, helpfulness, and centrality of position the term...

An important part of our information-gathering behavior has always been to find out what other people think. People now actively use information technologies to seek out and understand the opinions of others. This is due to the availability and popularity of opinion-rich resources such as online review sites and blogs. The accommodation sector is...

This paper presents the algorithm Polarity Recognizer in Portuguese (PIRPO) to classify sentiment in online reviews. PIRPO was constructed to identify polarity in Portuguese user-generated accommodation reviews. Each review is analysed according to concepts from a do-main ontology. We decompose the review in sentences in order to assign a polarity...

User-Generated Content (UGC) such as online reviews are freely available in the web. This kind of data has been used to support clients' and managerial decision making in several industries, e.g. books, tourism or hospitality. However, the challenge is how to represent this information in a structured way in order to leverage on the information pro...

Ontologies have been used to support both web agents reasoning and human decision making. However, on-tology development is a new area and for some knowledge domains they are still rare. Although ontologies had been developed in the context of Semantic Web, it is the Web 2.0 content that is actually pervasive on the web. One of the properties of th...

The decision-making process based on the user-generated content (UGC) can be used by several industries such as movies, books, tourism and hotels. This paper presents a fine-grained analysis of UGC for small and medium hotels (SMH). We collected and analysed 1500 online reviews from 50 SMH. This data was cross-referenced in order to find patterns t...

Social websites contain a wealth of data that constitute new information sources to be integrated in Customer Knowledge Management (CKM) companies’ initiatives. The hotel sector is strongly affected by the comments written in such sites. These comments often help guests decide whether making a reservation. Hotel managers need Information Systems to...

Social Semantic Web aims at combining approaches and tech-nologies from both Social and Semantic Web. While Social Web sites provide a rich source of unstructured information, what makes its au-tomatic processing very limited, Semantic Web aims at giving a well-defined meaning to the Web information, facilitating its sharing and processing. Multili...

Semantic Web applications that include map visualization clients are becoming common. When the description of an entity contains coordinate pairs, semantic applications often lay them as pins on maps provided by Web mapping service applications, such as Google Maps. Nowadays, semantic applications cannot guarantee that those maps provide spatial in...

The performance of some tasks in Information Retrieval is strongly related to the extent and quality of the geographic knowledge about named places. This paper presents a conceptualization of the geographic knowledge, the Geo-Net vocabulary, and a tool for building large knowledge bases of named places, the GKB management system, developed in the G...

This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature types on both queries and documents, generating signatures with multiple geographic concepts as a scope of interest. We experimented new query expansion and text mining s...

This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology to extract geographic references from text, assigning documents to encompassing geographic scopes. These scopes are used in document retrieval through a ranking function th...

Many web pages are rich in geographic information and primarily relevant to geographically limited communities. However, existing IR systems only recently began to offer local services and largely ignore geo-spatial information. This paper presents our work on automatically identifying the geographical scope of web documents, which provides the mea...

This paper presents some results about the geographical in- formation in the Portuguese web and the overlap with people's and or- ganization's named entities, using a geographic ontology based on au- thoritative sources and a named entity recognizer.

knowledge in these texts. It seems that, given the way AOE works, one should apply these techniques to texts dealing with geography, as Bilhaut et. al. do [4]. However, GIR is most often than not concerned with other subjects, especially on the Web: most papers deal with ser-vices, shopping, tourism or news. A first remark is that the kind of locat...

This paper describes our participation at the GeoCLEF 2005 task. We detail the main software components of our Geo-IR system, its adaptation for the participation at GeoCLEF and dis- cuss the obtained results. The software architecture includes a geographic knowledge base, a text mining tool for geo-referencing documents, and a geo-ranking componen...

Finding automatic ways of attaching geographical scopes to on-line resources, also called “geo-referencing” documents, is a challenging problem, getting increasing attention [1,5,3]. Here we present a system architecture and a process for identifying the geographical scope of Web pages, defining a scope as the region where more people than average...

This paper discusses evaluation of Geo-IR systems, arguing for a separate study of the different algorithmic components involved. It presents existing resources for evaluating the different components, together with a review on previous results in the area.

This paper introduces GKB, a repository based on a domain in- dependent meta-model for integrating geographic knowledge collected from multiple sources. We present the architecture, the repository design and the data cleaning and knowledge integration processes. We also describe the rules developed to add new knowledge to GKB. GKB includes tools fo...

The number of ontologies publicly available and accessible through the web has increased in the last years, so that the task of nding similar terms1 among these structures becomes mandatory. We depict the application and the evaluation of a new similarity measure for comparing Portuguese Ontological Structures (OSs) called Lexical Similarity (LS)....

Resumo. Neste artigo apresentamos uma panorâmica da actividade da Linguateca na criação e disponibilização de recursos e ferramentas para a língua portuguesa. Começamos por uma descrição dos objectivos e pressupostos da Linguateca e uma breve história da sua intervenção, e finalizamos com algumas considerações sobre a melhor forma de prosseguir na...

The automatic mapping among Ontological Structures (OSs) has been a continuous concern as a task of integration and reuse of knowledge. Besides, this mapping can support the task of expansion and combination of OSs. However, the manual execution of such task is quite tedious and slow, so it is important to automate, at least partially, the mapping...

suporte estrutural para a representação das informações. A utilização de uma ontologia serve de base para um acesso inteligente na busca de informações. Os resultados alcançados permitem a exibição de documentos na Web em diversos formatos e a obtenção de respostas otimizadas a consultas na base de dados. A próxima etapa consiste na construção de u...

This paper reports the participation of the XLDB Group from the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature types on both queries and documents, generating geographic signatures with multiple geographic concepts as a scope of interest. We experimented new qu...

PALAVRAS-CHAVE: Informação Geográfica, ontologia geográfica, geografia física INTRODUÇÃO A informação geográfica assume um papel cada vez mais preponderante na nossa sociedade, evidenciado pelo surgimento de novas formas e metodologias de representação e utilização dessa informação. Paralelamente a este fenómeno, ocorre a diversificação das formas...

The automatic mapping among Ontological Structures has been a continuous concern as a task of integration and reuse of knowledge. This article describes an ongoing work that considers the application of the similarity mea-sure proposed in [Maedche e Staab, 2002] to compare terms in distinct hierar-chies. This measure helps the mapping among Ontolog...

Structured geographic information has an important role in many applications, such as geographically-aware search engines and named-entity (e.g., proper names) recognizers. This information is com-piled from resources like dictionaries, gazetteers and ontologies. The quality of the applications depends critically on the richness of these resources....