3 papers
cs.DB2020
Database Repairing with Soft Functional Dependencies
Nofar Carmeli, Martin Grohe, Benny Kimelfeld +2
A common interpretation of soft constraints penalizes the database for every violation of every constraint, where the penalty is the cost (weight) of the constraint. A computationa…
cs.CL2020
Constructing Explainable Opinion Graphs from Review
Nofar Carmeli, Xiaolan Wang, Yoshihiko Suhara +4
The Web is a major resource of both factual and subjective information. While there are significant efforts to organize factual information into knowledge bases, there is much less…
cs.DB2019
Answering (Unions of) Conjunctive Queries using Random Access and Random-Order Enumeration
Nofar Carmeli, Shai Zeevi, Christoph Berkholz +2
As data analytics becomes more crucial to digital systems, so grows the importance of characterizing the database queries that admit a more efficient evaluation. We consider the tr…