410 citations · 566 across the 27 of their papers we have counts for
5 papers · 1 filter
Scalable Package Queries in Relational Database Systems
Matteo Brucato, Juan Felipe Beltran, Azza Abouzied +1
Traditional database queries follow a simple model: they define constraints that each tuple in the result must satisfy. This model is computationally efficient, as the database sys…
PackageBuilder: From Tuples to Packages
Matteo Brucato, Rahul Ramakrishna, Azza Abouzied +1
In this demo, we present PackageBuilder, a system that extends database systems to support package queries. A package is a collection of tuples that individually satisfy base const…
Improving package recommendations through query relaxation
Matteo Brucato, Azza Abouzied, Alexandra Meliou
Recommendation systems aim to identify items that are likely to be of interest to users. In many cases, users are interested in package recommendations as collections of items. For…
A Characterization of the Complexity of Resilience and Responsibility for Self-join-free Conjunctive Queries
Cibele Freire, Wolfgang Gatterbauer, Neil Immerman +1
Several research thrusts in the area of data management have focused on understanding how changes in the data affect the output of a view or standing query. Example applications ar…
Fusing Data with Correlations
Ravali Pochampally, Anish Das Sarma, Xin Luna Dong +2
Many applications rely on Web data and extraction systems to accomplish knowledge-driven tasks. Web information is not curated, so many sources provide inaccurate, or conflicting i…