Searched for: contributor%3A%22Hauff%2C+C.+%28mentor%29%22
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Visser, Maaike (author)
As the amount of information available in the world grows, Information Retrieval (IR) systems have become an integral part of day to day life. They determine what subset of the large pool of information is shown to people. IR algorithms determine which items should be returned in response to a query and rank the results in a ranked list.<br/...
master thesis 2022
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Kalia, Yash (author)
Search engine Entity Cards(ECs) display conciseinformation from the web about a topic or subjectin response to a user query. The topic or subjectcan be a person, an organization etc. and is referredto as an “Entity”. The specific topic under researchis how to determine which entity is most relevantfor the query in terms of helping the user find...
bachelor thesis 2021
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van Berkel, Sam (author)
Performing user interface studies and logging user interactions is commonplace in the Interactive Information Retrieval field (IIR). As a result, the LogUI framework was developed to make logging such interactions an easier task. However, this framework does not come with any visualization tool, requiring the researcher to analyze their data...
bachelor thesis 2021
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Vilčinskas, Augustas (author)
Items that a user can see when he uses the general result page of a modern search engine can be categorized as verticals. Some examples of verticals are images, videos, news, shopping. Heterogeneous search engine result pages encompass result pages that contain results from different verticals. It is widely used and has been proven to improve...
bachelor thesis 2021
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van Dijk, Hugo (author)
Logging user interactions allows researchers to study user behavior in web applications. The LogUI framework can be used to log user interactions on virtually any web application. This framework misses two vital features, a screen capture feature and a dashboard for statistical data analysis and visualization for use in web-based experiments...
bachelor thesis 2021
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Zhao, Chengrui (author)
Collaborative search is "the retrieval and sensemaking of information by multiple users with the same information need". The experience of collaborative search can be improved by employing a chatbot which is "a program designed to counterfeit a smart communication". Chatbot makes it easier for the users to be aware of each other's activities and...
bachelor thesis 2021
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Wang, Yiran (author)
In order determine when we can show direct answer module to user queries in web search engine, an independent classifier is designed in this study to assess the answerability of each user query. Real user queries are sampled from MS MARCO Question Answering and Natural Langauge Generation dataset \cite{MSMARCO} and manually labelled with query...
bachelor thesis 2021
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Willekens, C.S. (author), van Hal, L.E. (author), Piepenbrink, R.H. (author), Janse, H.A.B. (author), den Ouden, D.R. (author)
Rotterdam Werkt! is a network of fourteen organizations in the Rotterdam area in the Netherlands. Their goal is to increase labor mobility between these organizations through sharing vacancies, exchanging employees and partaking in joint projects. Rotterdam Werkt! has tasked us with creating a central platform on which all vacancies are...
bachelor thesis 2021
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Meester, M.R. (author), Görkey, I. (author), Braakman, O.J. (author), Rood, T.T.G. (author), Bauman, N. (author)
With the world in grasp of the COVID-19 pandemic, models predicting the spread of the virus can give indications to what extent a country is controlling the pandemic. Policymakers can decide to install so-called mitigation strategies to limit the spread of the virus. To aid the decision-making process, this report describes how a web application...
bachelor thesis 2020
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Biharie, Kirti (author)
This paper shows the influence of multitasking on the usage of a voice assistant. Voice assistants allow users to input queries over a speech-only channel, and as a result they do not require the same attention as a traditional search engine. Existing research describes the effects of the use of a voice assistant on driving and other demanding...
bachelor thesis 2020
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Sobha, Rohan (author)
This paper delved into the effects of domain expertise on a user's conversational search, because as the use and acceptance of voice assistants increase the need for conversational search agent that can accommodate to a human characteristic such as domain expertise. Accommodating to disadvantaged users of web search as earlier works showed that...
bachelor thesis 2020
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Versteeg, Owen (author)
While voice assistants have exploded in popularityover the last decade, they still have many issues.Among these is the issue of result presentation:how do you speak results to the user? Priorresearch has investigated how cognitive loadrelates to result presentation and other methodsfor result presentation, but highlighted a lackof research about...
bachelor thesis 2020
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Walboomers, Sophie (author)
During conversational information retrieval, a user engages in a dialogue interaction with a search system in order to satisfy an information need. A profound understanding of the way in which users formulate and reformulate messages during this dialogue interaction, will aid the development and optimization of conversational search systems....
bachelor thesis 2020
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Leibbrandt, Louise (author)
Conversational search systems have recently gained popularity due to their effectiveness in performing small tasks and answering factoid questions. However, under complex search scenarios, these systems fail and fall back to techniques used by traditional search engines. As tasks requiring user learning are inherently complex, user knowledge is...
bachelor thesis 2020
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Morales Martinez, Francisco (author)
Weak baselines have been present in Information Retrieval (IR) for<br/>decades. They have been associated with IR progress stagnation, baseline<br/>selection bias to publish results more readily, and models’ effectiveness<br/>reproducibility issues that hinder the validation of results by independent<br/>research teams. Weak baselines have been...
master thesis 2020
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Bălan, Alexandru (author)
Nowadays, most users access the web through search engine portals. However, information needs can often be ill-defined or too broad to be solvable by a list of results the user has to scroll through, which implies that he is most likely required to refine the need by himself to reach the desired result. In recent years, researchers have...
master thesis 2019
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Jiang, Kun (author)
Open-domain question answering (QA) is an important step in Artificial Intelligence and its ultimate goal is to build a QA system that can answer any question posed by humans. The majority of the open-domain QA system is the retrieval-based open-domain QA system, which enables the retrieval component to retrieve relevant documents from a large...
master thesis 2019
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Grashoff, Kilian (author)
Collaborative search, where the activities of multiple users are combined to satisfy their information need, is an effective tool to to handle complex search tasks. People search collaboratively in groups of varying sizes. Various collaborative search systems have been studied in previous work, but they only investigate a fixed group size....
master thesis 2019
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Li, Qiaoqiao (author)
Gamification is the process of integrating game mechanics into non-game contexts - a website, an application, an online community - to motivate par- ticipation and engagement. Several studies have highlighted the benefits of gamification in several applications. However, its potential benefits in the campus environment still need to be...
master thesis 2018
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Wu, H. (author)
Visible Light Communication has been intriguing both the industry and the academia for over a decade. However, most of the research efforts in this area only consider scenarios where the light emitted from the transmitters is constant. This is not true when Smart Lighting, a technology designed for more comfortable and energy efficient buildings...
master thesis 2017
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