Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Gryphon: An Information Flow Based Approach to Message Brokering   Gryphon is a distributed computing paradigm for message brokering, which is
the transferring of information in the form of streams of events from
information providers to information consumers. This extended abstract outlines
the major problems in message brokering and Gryphon's approach to solving them.

9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
2
The categories of this paper are: math
14
The categories of this paper are: math-ph
25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
32
The categories of this paper are: atom-ph
21
The categories of this paper are: adap-org
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
28
The categories of this paper are: alg-geom
11
The categories of this paper are: hep-lat