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ER
2008
Springer
110views Database» more  ER 2008»
15 years 3 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
HUC
2009
Springer
15 years 6 months ago
Controlling Error Propagation in Mobile-Infrastructure Based Localization
Mobile infrastructure consists of one or more sensors in a fixed configuration on a mobile platform. By moving the mobile platform in the environment and attaching a set of stat...
Ying Zhang, Juan Liu
RIAO
2007
15 years 2 months ago
Multimodal Segmentation of Lifelog Data
A personal lifelog of visual and audio information can be very helpful as a human memory augmentation tool. The SenseCam, a passive wearable camera, used in conjunction with an iR...
Aiden R. Doherty, Alan F. Smeaton, Keansub Lee, Da...
IDEAS
2005
IEEE
142views Database» more  IDEAS 2005»
15 years 7 months ago
Automatically Maintaining Wrappers for Web Sources
A substantial subset of the web data follows some kind of underlying structure. Nevertheless, HTML does not contain any schema or semantic information about the data it represents...
Juan Raposo, Alberto Pan, Manuel Álvarez, J...
DEXA
2009
Springer
201views Database» more  DEXA 2009»
15 years 8 months ago
Dynamic Query Processing for P2P Data Services in the Cloud
With the trend of cloud computing, data and computing are moved away from desktop and are instead provided as a service from the cloud. Data-as-a-service enables access to a wealth...
Pawel Jurczyk, Li Xiong