Hi Ernesto! I know what you mean. Sometimes I get no answers too. Unfortunately, I'm new in nutch and lucene and I can't help you. Continue trying, the comunity will help you :).
On 8/22/06, Ernesto De Santis <[EMAIL PROTECTED]> wrote:
Hi All Please, some body can answer my questions? I'm a nutch beginner, I hope that my questions/doubts are easy... ;) Or if my email is wrong, tell me. Or confirm me if I'm in the right way. Thanks a lot! Ernesto. Ernesto De Santis escribió: > Hi > > I'm new in nutch, start yesterday. > But I have experience with Lucene. > > I have some questions for you, a nutch experts... ;) > > I want to split my pages results in categories, to filter or to show > its separately. > This is my approach: > > *crawl/index* > > I want to index an extra field. > Then, I need to do my own plugin for that, to develop my custom logic. > Then, I config my plugin in conf/nutch-site.xml. > > To develop my plugin, I see that I need to implements: Configurable > < http://lucene.apache.org/hadoop/docs/api/org/apache/hadoop/conf/Configurable.html >, > IndexingFilter > < http://lucene.apache.org/nutch/apidocs-0.8/org/apache/nutch/indexer/IndexingFilter.html >, > and Pluggable > < http://lucene.apache.org/nutch/apidocs-0.8/org/apache/nutch/plugin/Pluggable.html >interfaces. > > Add to the Document instance the field value, category value. > > *search* > > Here I have a doubt, one way is set to nutch query a requiredTerm: > > query.addRequiredTerm(myCategory, "category"); > > I see that nutch use QueryFilters too, but I can't see how I do hook > it to my query. > > *miscellaneous* > > Lucene has a rich query hierarchy, I don't see it in nutch. I don't > see BooleanQuery, TermQuery, etc. The unique point to build the query > in nutch is the Query class? > > Lucene searcher has a way to seperate the query to the filters. The > queries conditions affect the rank, and filters don't. How nutch > separates it? > > *documentation* > > I read the documentation in nutch site, tutorial, wiki, presentations > and today.java.net article: > http://today.java.net/pub/a/today/2006/01/10/introduction-to-nutch-1.html > and part2 too. > > A lot of details aren't covered there. Some body know more detailed > documentation? > > Thanks a lot. > Ernesto. > __________________________________________________ Preguntá. Respondé. Descubrí. Todo lo que querías saber, y lo que ni imaginabas, está en Yahoo! Respuestas (Beta). ¡Probalo ya! http://www.yahoo.com.ar/respuestas
-- Lourival Junior Universidade Federal do Pará Curso de Bacharelado em Sistemas de Informação http://www.ufpa.br/cbsi Msn: [EMAIL PROTECTED]
