Do the annotations have positions ?
Do you want to do things like phrase-search e.g.
"PERSON_ANNOTATION works for Google"
Or is your idea of an annotation more simply a del.ici.ous-style tag associated
with the whole document?
Cheers
Mark
----- Original Message ----
From: lucene user <[EMAIL PROTECTED]>
To: [email protected]
Sent: Tuesday, 27 November, 2007 12:31:38 PM
Subject: Re: Searching user-private annotations associated with indexed
documents
I'd be VERY grateful for your help, folks! Thanks! I really need some
insight on this. THANKS!!
On Nov 26, 2007 6:43 PM, lucene user <[EMAIL PROTECTED]> wrote:
> Here are the three options that seem practical to us right now.
>
> (1) Do The annotation search in postgres using LIKE or the
> postgres native full text search. Take the resulting list
> of file ids and use it to build a filter for the lucene query,
> the way we currently do for folders.
>
> (2) Add a second lucene index that contains only annotations.
> First retrieve a list of file ids satisfying the annotation
> query from this index and use it to create a filter for the
> main lucene query on the archive.
> Whenever annotation text is edited,
> if blank, delete annotation from index
> otherwise add or replace annotation in index.
>
> (3) Add a second lucene index that contains contentrefs.
> This index would contain the same fields as the arhicve index
> plus the following:
> database_id: list of systemuser_id and contentref_id.
> annotation: list of all annotation text for this
> system user and content ref.
> folders: list of all folder names for this systemuser and
> content ref
>
> Whenever an article is added to or removed from a folder,
> or its annotation text is edited, the following would occur:
> See if it has an entry in the lucene index for the database.
> if so,
> extract the lucene document from the index.
> if the updated list of folders that contain it is empty,
> delete this document from the lucene database index.
> otherwise,
> update the folder and annotation in the document object.
> delete this document from the index.
> add the updated document object to the index.
> if not,
> extract the lucene document for the article from the archive
index
> add the database_id, folders, and annotation fields to this
object
> add the document object to the lucene database index.
>
> Got a better idea on this?
>
> Thanks!!
>
>
> On Nov 26, 2007 5:33 PM, lucene user <[EMAIL PROTECTED]> wrote:
> > Folks
> >
> > I have some additional textual data that is user specific,
basically
> > annotations about documents. I would like to be able to do
> > **combined** searches, looking for some words in the document and
some
> > in my users' private annotations about that document. Any
suggestions
> > about how I should handle this? The annotations are changeable by
> > users at any time so we have to be ready to delete them and add
others
> > at any time when the user does edit an annotation.
> >
> > Do I need a second Lucene index? Can I do a query against two
indexes
> > at the same time? If so, how?
> >
> > The annotations will be very small but highly volatile. The
database
> > of documents will grow large but nothing will be deleted from it.
> >
> > Thanks!
> >
>
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