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VLDB
2007
ACM
145views Database» more  VLDB 2007»
16 years 6 months ago
LCS-TRIM: Dynamic Programming Meets XML Indexing and Querying
In this article, we propose a new approach for querying and indexing a database of trees with specific applications to XML datasets. Our approach relies on representing both the q...
Shirish Tatikonda, Srinivasan Parthasarathy, Matth...
SIGMOD
2007
ACM
144views Database» more  SIGMOD 2007»
16 years 6 months ago
GhostDB: querying visible and hidden data without leaks
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...
Nicolas Anciaux, Mehdi Benzine, Luc Bouganim, Phil...
175
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EDBT
2006
ACM
194views Database» more  EDBT 2006»
16 years 6 months ago
On Concurrency Control in Sliding Window Queries over Data Streams
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
Lukasz Golab, Kumar Gaurav Bijay, M. Tamer Öz...
INFOCOM
2009
IEEE
16 years 1 months ago
Secure Range Queries in Tiered Sensor Networks
—We envision a two-tier sensor network which consists of resource-rich master nodes at the upper tier and resourcepoor sensor nodes at the lower tier. Master nodes collect data f...
Jing Shi, Rui Zhang, Yanchao Zhang
ICASSP
2008
IEEE
16 years 1 months ago
Query by humming of midi and audio using locality sensitive hashing
This paper proposes a query by humming method based on locality sensitive hashing (LSH). The method constructs an index of melodic fragments by extracting pitch vectors from a dat...
Matti Ryynänen, Anssi Klapuri