Text Analysis

2012-04-25 Thread karanveer.singh
Hi, I wanted to know if there are any existing API's within Hadoop for us to do some text analysis like sentiment analysis, etc. OR are we to rely on tools like R, etc. for this. Regards, Karanveer This e-mail and any attachments are confidential and intended solely for the addressee and

SQL analysis

2012-05-10 Thread karanveer.singh
We are looking at doing some initial analysis on SQL text info within the query runs to come up with some kind of path output to depict how various tables are linked to each other. For example. A 'view' might be a join from two table's top of the hierarchy and in turn might be creating some new

RE: SQL analysis

2012-05-10 Thread karanveer.singh
Our focus as of now is on batch queries. And keen to explore on the approach to get to the path analysis. Regards, Karanveer -Original Message- From: Shi Yu [mailto:sh...@uchicago.edu] Sent: 10 May 2012 17:02 To: common-user@hadoop.apache.org Subject: Re: SQL analysis It depends on y

RE: SQL analysis

2012-05-10 Thread karanveer.singh
I am more worried about the analysis assuming this data is in HDFS. -Original Message- From: Shi Yu [mailto:sh...@uchicago.edu] Sent: 10 May 2012 18:58 To: common-user@hadoop.apache.org Subject: RE: SQL analysis Flume might be suitable for your case. https://cwiki.apache.org/FLUME/

Hadoop Streaming Example - Issue

2012-06-05 Thread karanveer.singh
Hi, I am trying to run a java program as a mapper using Hadoop Streaming but getting the following error: "Cannot run program "new_code.class": java.io.IOException: error=2, No such file or directory at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)" The command being run is: /usr/b

MapReduce - Libjars

2012-06-06 Thread karanveer.singh
Hi, Within my map reduce programs; I am using an external JAVA library to help parse my raw files. When I am submitting my map reduce program, I am getting errors as the external class being referenced is not identified. Later, I explicitly specified the external jar being referenced with the "