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EDBT
2016
ACM
43views Database» more  EDBT 2016»
8 years 8 months ago
Semi-automatic support for evolving functional dependencies
During the life of a database, systematic and frequent violations of a given constraint may suggest that the represented reality is changing and thus the constraint should evolve ...
EDBT
2016
ACM
40views Database» more  EDBT 2016»
8 years 8 months ago
Querying RDF Data Using A Multigraph-based Approach
RDF is a standard for the conceptual description of knowledge, and SPARQL is the query language conceived to query RDF data. The RDF data is cherished and exploited by various dom...
EDBT
2016
ACM
32views Database» more  EDBT 2016»
8 years 8 months ago
GSCALER: Synthetically Scaling A Given Graph
Enterprises and researchers often have datasets that can be represented as graphs (e.g. social networks). The owner of a large graph may want to scale it down to a smaller version...
EDBT
2016
ACM
53views Database» more  EDBT 2016»
8 years 8 months ago
Practical Query Answering in Data Exchange Under Inconsistency-Tolerant Semantics
Exchange-repair semantics (or, XR-Certain semantics) is a recently proposed inconsistency-tolerant semantics in the context of data exchange. This semantics makes it possible to p...
EDBT
2016
ACM
44views Database» more  EDBT 2016»
8 years 8 months ago
Reverse Engineering Top-k Database Queries with PALEO
Ranked lists are an essential methodology to succinctly summarize outstanding items, computed over database tables or crowdsourced in dedicated websites. In this work, we address ...
EDBT
2016
ACM
47views Database» more  EDBT 2016»
8 years 8 months ago
Maximum Coverage Representative Skyline
Skyline queries represent a dataset by the points on its pareto frontier, but can become very large. To alleviate this problem, representative skylines select exactly k skyline po...
EDBT
2016
ACM
51views Database» more  EDBT 2016»
8 years 8 months ago
CrowdSky: Skyline Computation with Crowdsourcing
In this paper, we propose a crowdsourcing-based approach to solving skyline queries with incomplete data. Our main idea is to leverage crowds to infer the pair-wise preferences be...
EDBT
2016
ACM
48views Database» more  EDBT 2016»
8 years 8 months ago
Identifying and Describing Streets of Interest
The amount of crowdsourced geospatial content on the Web is constantly increasing, providing a wealth of information for a variety of location-based services and applications. Thi...
Dimitrios Skoutas, Dimitris Sacharidis, Kostas Sta...
EDBT
2016
ACM
36views Database» more  EDBT 2016»
8 years 8 months ago
Finding Users of Interest in Micro-blogging Systems
Micro-blogging systems have become a prime source of information. However due to their unprecedented success, these systems have to face an exponentially increasing amount of user...
EDBT
2016
ACM
59views Database» more  EDBT 2016»
8 years 8 months ago
On-Line Mobility Pattern Discovering using Trajectory Data
Mobile location tracking becomes ubiquitous in many applications, which raises great interests in trajectory data analysis and mining. Most existing work tackled the problem of oï...