The original ICP dates from 1961 and read like a very condensed set of cataloging rules. [Note: As T Berger points out, this document was entitled "Paris Principles", not ICP.] It was limited to choice and form of entries (personal and corporate authors, titles). It also stated clearly that it applied to alphabetically sequenced catalogs:
The basic statement of principles was not particularly different from those stated by Charles Ammi Cutter in 1875.The principles here stated apply only to the choice and form of headings and entry words -- i.e. to the principal elements determining the order of entries -- in catalogues of printed books in which entries under authors' names and, where these are inappropriate or insufficient, under the titles of works are combined in one alphabetical sequence.
The next version of the principles was issued in 2009. This version is intended to be "applicable to online catalogs and beyond." This is a post-FRBR set of principles, and the objectives of the catalog are given in points with headings find, identify, select, obtain and navigate. Of course, the first four are the FRBR user tasks. The fifth one, navigate, as I recall was suggested by Elaine Svenonius and obviously was looked on favorably even though it hasn't been added to the FRBR document, as far as I know.
The statement of functions of the catalog in this 2009 draft is rather long, but the "find" function gives an idea of how the goals of the catalog have changed:
The differences between the 2015 draft of the ICP and this 2009 version are relatively minor. The big jump in thinking takes place between the 1961 version and the 2009 version. My comments (pdf) to the committee are as much about the 2009 version as the 2015 one. I make three points:
Although the ICP talks about "find," etc., it doesn't relate those actions to the form of the "authorized access points." There is no recognition that searching today is primarily on keyword, not on left-anchored strings.
2. Some catalog functions are provided by the catalog but not by cataloging
The 2015 ICP includes among its principles that of accessibility of the catalog for all users. Accessibility, however, is primarily a function of the catalog technology, not the content of the catalog data. It also recommends (to my great pleasure) that the catalog data be made available for open access. This is another principle that is not content-based. Equally important is the idea, which is expressed in the 2015 principles under "navigate" as: "... beyond the catalogue, to other catalogues and in non-library contexts." This is clearly a function of the catalog, with the support of the catalog data, but what data serves this function is not mentioned.
3. Authority control must be extended to all elements that have recognized value for retrieval
This mainly refers to the inclusion of the elements that serve as limiting facets on retrieved sets. None of the elements listed here are included in the ICP's instructions on "authorized access points," yet these are, indeed, access points. Uncontrolled forms of dates, places, content, carrier, etc., are simply not usable as limits. Yet nowhere in the document is the form of these access points addressed.
There is undoubtedly much more that could be said about the principles, but this is what seemed to me to be appropriate to the request for comment on this draft.