To facilitate queries over semi-structured data, various structural summaries have been
proposed. Structural summaries are derived directly from the data and serve as indices for …

This paper presents Canopy, Facebook's end-to-end performance tracing infrastructure.
Canopy records causally related performance data across the end-to-end execution path of …

NoSQL databases support semi-structured data, typically modeled as JSON. They also provide
limited (but expanding) query languages. Their idiomatic, non-SQL language constructs, …

SQL-on-Hadoop, NewSQL and NoSQL databases provide semi-structured data models (typically
JSON based) and respective query languages. Lack of formal syntax and semantics, …

Public health researchers increasingly recognize that to advance their field they must grapple
with the availability of increasingly large (ie, thousands of variables) traditional population-…

Prior Incremental View Maintenance (IVM) algorithms specify the view tuples that need to be
modified by computing diff sets, which we call tuple-based diffs since a diff set contains one …

SQL is five decades old and has outlasted many programming and query languages that have
come and gone during its lifetime. It was born shortly after the introduction of the relational …

The vast majority of database-driven web applications perform, at a logical level, fundamentally
simple INSERT/UPDATE/DELETE commands. In response to a user action on the …

While Ajax-based programming enables faster performance and higher interface quality
over pure server-side programming, it is demanding and error prone as each action that …

While Ajax programming and the plethora of JavaScript component libraries enable high-quality
Uls in web applications, integrating them with page data is laborious and error-prone as …