Scenario-Based Connector Optimization An XML Approach

Abstract

Abstract. Software components can be connected by XML processing pipelines, which may perform adaptations. In our model, individual pipeline stages serialize source data structures to XML, perform one or multiple XSL transformations, transport the message to its destination and finally deserialize it to target data structures. Implementation of this model is open to optimizations. The present paper discusses two such optimizations: symbolic execution and lazy evaluation.

Lazy XSL transformations

“…However, lazy evaluation for one input document cannot generate such assertions over all input documents. Propagating and using such assertions to simplify queries lies in the domain of static evaluation for known input types [16], whose implementation is currently approaching completion.…”

“…In [16], one of us introduced static evaluation of XSLT programs over known input types. Similar to abstract interpretation, this approach evaluates transformations over a set of input trees rather than one specific tree.…”