From the 1 of 14 linked papers with an AI index.
64 citations · 134 across the 9 of their papers we have counts for
14 papers
SANTOS: Relationship-based Semantic Table Union Search
Aamod Khatiwada, Grace Fan, Roee Shraga +4
Existing techniques for unionable table search define unionability using metadata (tables must have the same or similar schemas) or column-based metrics (for example, the values in…
Relational Diagrams: a pattern-preserving diagrammatic representation of non-disjunctive Relational Queries
Wolfgang Gatterbauer, Cody Dunne, Mirek Riedewald
Analyzing relational languages by their logical expressiveness is well understood. Something not well understood or even formalized is the vague concept of relational query pattern…
DomainNet: Homograph Detection for Data Lake Disambiguation
Aristotelis Leventidis, Laura Di Rocco, Wolfgang Gatterbauer +2
Modern data lakes are deeply heterogeneous in the vocabulary that is used to describe data. We study a problem of disambiguation in data lakes: how can we determine if a data value…
Beyond Equi-joins: Ranking, Enumeration and Factorization
Nikolaos Tziavelis, Wolfgang Gatterbauer, Mirek Riedewald
We study theta-joins in general and join predicates with conjunctions and disjunctions of inequalities in particular, focusing on ranked enumeration where the answers are returned…
Optimal Join Algorithms Meet Top-k
Nikolaos Tziavelis, Wolfgang Gatterbauer, Mirek Riedewald
Top-k queries have been studied intensively in the database community and they are an important means to reduce query cost when only the "best" or "most interesting" results are ne…
QueryVis: Logic-based diagrams help users understand complicated SQL queries faster
Aristotelis Leventidis, Jiahui Zhang, Cody Dunne +3
Understanding the meaning of existing SQL queries is critical for code maintenance and reuse. Yet SQL can be hard to read, even for expert users or the original creator of a query.…