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» Scalable Package Queries in Relational Database Systems
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DCC
2009
IEEE
16 years 1 months ago
Tree Histogram Coding for Mobile Image Matching
For mobile image matching applications, a mobile device captures a query image, extracts descriptive features, and transmits these features wirelessly to a server. The server reco...
David M. Chen, Sam S. Tsai, Vijay Chandrasekhar, G...
TKDE
2011
330views more  TKDE 2011»
15 years 1 months ago
Effective Navigation of Query Results Based on Concept Hierarchies
— Search queries on biomedical databases, such as PubMed, often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization...
Abhijith Kashyap, Vagelis Hristidis, Michalis Petr...
PODS
2004
ACM
147views Database» more  PODS 2004»
16 years 6 months ago
Flexible Time Management in Data Stream Systems
Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
Utkarsh Srivastava, Jennifer Widom
GIS
2007
ACM
16 years 7 months ago
Dynamic storage balancing in a distributed spatial index
We propose a general framework to index very large datasets of spatial data in a distributed system. Our proposal is built on the recently proposed Scalable Distributed Rtree (SD-...
Cédric du Mouza, Philippe Rigaux, Witold Li...
PODS
2010
ACM
228views Database» more  PODS 2010»
15 years 8 months ago
Capturing missing tuples and missing values
Databases in real life are often neither entirely closed-world nor entirely open-world. Indeed, databases in an enterprise are typically partially closed, in which a part of the d...
Wenfei Fan, Floris Geerts