Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Thiele, Maik"'
Spreadsheets are very successful content generation tools, used in almost every enterprise to create a wealth of information. However, this information is often intermingled with various formatting, layout, and textual metadata, making it hard to ide
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A82970
https://tud.qucosa.de/api/qucosa%3A82970/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A82970/attachment/ATT-0/
This paper presents DECO (Dresden Enron COrpus), a dataset of spreadsheet files, annotated on the basis of layout and contents. It comprises of 1,165 files, extracted from the Enron corpus. Three different annotators (judges) assigned layout roles (e
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A82977
https://tud.qucosa.de/api/qucosa%3A82977/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A82977/attachment/ATT-0/
Cardinality estimation is a fundamental task in database query processing and optimization. Unfortunately, the accuracy of traditional estimation techniques is poor resulting in non-optimal query execution plans. With the recent expansion of machine
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A79467
https://tud.qucosa.de/api/qucosa%3A79467/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A79467/attachment/ATT-0/
For many tasks in market research it is important to model customers and products as comparable instances. Usually, the integration of customers and products into one model is not trivial. In this paper, we will detail an approach for a combined vect
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A80633
https://tud.qucosa.de/api/qucosa%3A80633/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A80633/attachment/ATT-0/
In a traditional relational database management system, queries can only be defined over attributes defined in the schema, but are guaranteed to give single, definitive answer structured exactly as specified in the query. In contrast, an information
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A86494
https://tud.qucosa.de/api/qucosa%3A86494/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A86494/attachment/ATT-0/
Completeness as one of the four major dimensions of data quality is a pervasive issue in modern databases. Although data imputation has been studied extensively in the literature, most of the research is focused on inference-based approach. We propos
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A79722
https://tud.qucosa.de/api/qucosa%3A79722/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A79722/attachment/ATT-0/
Autor:
Munir, Rana Faisal, Nadal, Sergi, Romero, Oscar, Abelló, Alberto, Jovanovic, Petar, Thiele, Maik, Lehner, Wolfgang
Data-intensive flows deploy a variety of complex data transformations to build information pipelines from data sources to different end users. As data are processed, these workflows generate large intermediate results, typically pipelined from one op
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A72925
https://tud.qucosa.de/api/qucosa%3A72925/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A72925/attachment/ATT-0/
The large volume of freely available graph data sets impedes the users in analyzing them. For this purpose, they usually pose plenty of pattern matching queries and study their answers. Without deep knowledge about the data graph, users can create
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A82118
https://tud.qucosa.de/api/qucosa%3A82118/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A82118/attachment/ATT-0/
Spreadsheets compose a notably large and valuable dataset of documents within the enterprise settings and on the Web. Although spreadsheets are intuitive to use and equipped with powerful functionalities, extracting and reusing data from them remains
In a traditional relational database management system, queries can only be defined over attributes defined in the schema, but are guaranteed to give single, definitive answer structured exactly as specified in the query. In contrast, an information
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A79859
https://tud.qucosa.de/api/qucosa%3A79859/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A79859/attachment/ATT-0/