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POPL
2007
ACM
16 years 7 months ago
Dynamic heap type inference for program understanding and debugging
C programs can be difficult to debug due to lax type enforcement and low-level access to memory. We present a dynamic analysis for C that checks heap snapshots for consistency wit...
Ben Liblit, Chloë W. Schulze, Marina Polishch...
VLDB
2008
ACM
110views Database» more  VLDB 2008»
16 years 7 months ago
Enhancing histograms by tree-like bucket indices
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
Francesco Buccafurri, Gianluca Lax, Domenico SaccÃ...
SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
16 years 7 months ago
A comparison of flexible schemas for software as a service
A multi-tenant database system for Software as a Service (SaaS) should offer schemas that are flexible in that they can be extended for different versions of the application and d...
Stefan Aulbach, Dean Jacobs, Alfons Kemper, Michae...
SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
16 years 6 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
SIGMOD
2003
ACM
166views Database» more  SIGMOD 2003»
16 years 6 months ago
Statistical Schema Matching across Web Query Interfaces
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Bin He, Kevin Chen-Chuan Chang
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