On the Complexity of Bounded View Propagation for Conjunctive Queries

Abstract:

The view propagation problem is a class of view update problem in relational databases [7], involving deletion and insertion propagations. Read More

Hashtagger+: Efficient High-Coverage Social Tagging of Streaming News

Abstract:

News and social media now play a synergistic role and neither domain can be grasped in isolation. On one hand, Read More

FEDERAL: A Framework for Distance-Aware Privacy-Preserving Record Linkage

Abstract:

In privacy-preserving record linkage, a number of data custodians encode their records and submit them to a trusted third-party who Read More

Exploring Hierarchical Structures for Recommender Systems

Abstract:

Items in real-world recommender systems exhibit certain hierarchical structures. Similarly, user preferences also present hierarchical structures. Recent studies show that Read More

Efficient Parameter Estimation for Information Retrieval using Black-box Optimization

Abstract:

The retrieval function is one of the most important components of an Information Retrieval (IR) system, because it determines to Read More

DPPred: An Effective Prediction Framework with Concise Discriminative Patterns

Abstract:

In the literature, two series of models have been proposed to address prediction problems including classification and regression. Simple models, Read More

Diagnosing and Minimizing Semantic Drift in Iterative Bootstrapping Extraction

Abstract:

Semantic drift is a common problemin iterative information extraction. Previous approaches for minimizing semantic drift may incur substantial loss in Read More

Camera Shutter-Independent Registration and Rectification

Abstract:

Inevitable camera motion during exposure does not augur well for free-hand photography. Distortions introduced in images can be of different Read More