UWECProgrammer/ConsolidatedMentionResolutionBenchmark

sentence stringlengths 1 1.38k	label stringclasses 3 values
What Java implemenations exists?	o
Pros and cons for them?	o
I'm aware of Lucene, any other solution or Lucene is best?	o
I found these, anyone has experience with them?	o
URL_http://www.dcs.shef.ac.uk/~sam/simmetrics.html [SimMetrics] URL_http://ngramj.sourceforge.net/ [NGramJ] .	o
Commons Lang has an implementation of URL_http://commons.apache.org/lang/apido cs/org/apache/commons/lang3/StringUtils.html#getLevenshteinDistance%28java.lan g.CharSequence,%20java.lang.CharSequence%29 [Levenshtein-distance] .	o
Commons Codec has an implementation of URL_http://commons.apache.org/proper /commons-codec/apidocs/org/apache/commons/codec/language/Soundex.html [soundex] and URL_http://commons.apache.org/proper/commons- codec/apidocs/org/apache/commons/codec/language/Metaphone.html [metaphone] .	o
SimMetrics is probably what you need: URL_http://sourceforge.net/projects/simmetrics/ [ URL_http://sourceforge.net/projects/simmetrics/ ] It has several algorithms for calculating various flavours of edit-distance.	o
Lucene is a very powerful full-text search engine, but FT search isn't exactly the same thing as fuzzy string matching (eg.	p
given a list of strings find me the one that is most similar to some candidate string).	o
simmetrics looks to be GPL v2, however, so not compatible with commercially developed software.	o
To Lucene I would add SOLR URL_http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters [ URL_http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters ] .	o
URL_http://lucene.apache.org/ [Apache-Lucene] is the only way, I think.	o
I don't know any better search lib.	o
Apache Lucene(TM) is a high-performance, full-featured text search engine library written entirely in Java.	p
It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.	n
You can try bitap.	o
I was playing with bitap written in ANSI C and it was pretty fast there is java implementation in URL_http://www.crosswire.org [ URL_http://www.crosswire.org ] .	p
File Manipulation libraries.	o
I have a project which I need to manipulate files.	o
things like: create new file by a defined structure(header,data,trail).	o
and then I need to things like search/validate/create/read.	o
basically I want to map the files to objects and vise versa.	o
(I am willing to map them to objects coz it will be much more comfortable for me to manipulate the fields inside each file via object) I wonder if any of you deal with such things before?	o
and maybe could recommend me on libraries which could easy my work.	p
thanks,ray.	o
You may want to look at serialization and de-serialization .	o
serialization wont help me here.	o
I want my own structure in the file since some1 else need to read it by a specific structure.	o
serialization wont map the object to the file in the way I want it.	o
If you want custom mapping, you need custom coding.	o
I would suggest you look at DataInputStream and DataOutputStream.	o
Using these you can control the header, records and footer in any binary format you want.	o
I suggest you generate your serialization (if you need to have the afstest possible speed) or use reflections to do the translation.	o
Just using reflection is pretty fast and much simpler than generating code.	p
;) .	o
but Serialization will make it binary.	o
I want it to remine text.	o
In that case I would serialize as text.	o
;) With the built in Serialization you have no choice, but if you do it yourself, you can make it anything you want.	o
For example, all my objects serialize and deserialize in CSV format i.e.	o
you can read it in excel.	p
;) You could use XML or JSon with XStream.	o
If you have a defined file layout with different content you should consider to use a template engine like URL_http://freemarker.sourceforge.net/ [FreeMarker] or URL_http://velocity.apache.org/ [Velocity] to generate your files.You can define templates here which will be filled with your dynamic content which you have to provide.	o
Definitly better than to use CODETERM1 (I mean hard code your template text).	n
A library which helps for basic file manipulation is URL_http://commons.apache.org/io/ [Apache-Commons-IO] .	o
If you realy want to map your files to objects than it would be a Serialization/Deserialization as Angelom mentions.	o
Many libraries help you to do this but the file format is fixed: JSON: URL_http://jackson.codehaus.org/ [Jackson] , URL_http://code.google.com/p/google-gson/ [GSON] XML: URL_http://jaxb.java.net/ [JAXB] .	o
Are those libraries able to sanely produce binary output?	o
As far as I know they are focused on text-based output formats.	p
@Joachim The libraries work with text output (that is what _rayman_ needs if I understand it correct).	p
He doesn't mention if he wants text or binary, actually but from what I understand he want's the library to help him with parsing/reading as well.	p
And that's where those template libraries fall flat.	o
He want's text (see comment in answer from Lawrey).	o
Using templates to generate his files will definitly help - particularly if his files contains lot text around the object info.	o
You are right - reading is not included - thus I only mentioned generation of his files.	o
I tried to give help and some ideas - I thought that would be requested.	o
Unfortunately I do not know the library he want's.	n
If you want the file read by 3rd party as well, how about using some popular existing exchange format such as CSV or XML?	o
XML is fully supported in standard library.	p
There's plenty of CSV libraries out there, including URL_http://commons.apache.org/sandbox/csv/ [Apache- Commons-CSV] .	o
I am not required to use XML format.	o
only a specific format which is defined by the company.	o
that format is TXT and I wanted to convert all those files to objects.. something like ORM.	o
In the end I Found a ORM framework called Canyon which mapping Files to Objects.	o
but still had difficulties.	n
so I have implemented my own ORM file to objects and vise versa.	o
java.net versus java.nio.	o
At what point is it better to switch from java.net to java.nio?	o
.net (not the Microsoft entity) is easier to understand and more familiar, while nio is scalable, and comes with some extra nifty features.	p
Specifically, I need to make a choice for this situation: We have one control center managing hardware at several remote sites (each site with one computer managing multiple hardware units (a transceiver, TNC, and rotator)).	o
My idea was to have write a sever app on each machine that acts as a gateway from the control center to the radio hardware, with one socket for each unit.	o
From my understanding, NIO is meant for one server, many clients, but what I'm thinking of is one client, many servers.	o
I suppose a third option is to use MINA, but I'm not sure if that's throwing too much at a simple problem.	p
Each remote server will have up to 8 connections, all from the same client (to control all the hardware, and separate TX/RX sockets).	o
The single client will want to connect to several servers at once, though.	o
Instead of putting each server on different ports, is it possible to use channel selectors on the client side, or is it better to go multi-threaded io on the client side of things and configure the servers differently?	o
Actually, since the remote machines serve only to interact with other hardware, would RMI or IDL/CORBA be a better solution?	o
Really, I just want to be able to send commands and receive telemetry from the hardware, and not have to make up some application layer protocol to do it.	o
Avoid NIO unless you have a good reason to use it.	p
URL_http://blog.uncommons.org/2008/09/03/avoid-nio-get-better-throughput/ [It's-not-much-fun-and-may-not-be-as-beneficial-as-you-would-think] .	o
You may get better scalability once you are dealing with tens of thousands of connections, but at lower numbers you'll probably get better throughput with blocking IO.	n
As always though, make your own measurements before committing to something you might regret.	n
Something else to consider is that if you want to use SSL, NIO makes it extremely painful.	o
Thanks for the remark about SSL, this will probably drive my decision.	o
Scalability will probably drive your choice of package.	o
java.net will require one thread per socket.	o
Coding it will be significantly easier.	o
java.nio is much more efficient, but can be hairy to code around.	n
I would ask yourself how many connections you expect to be handling.	o
If it's relatively few (say, < 100), I'd go with java.net.	o
With a modern 64-bit OS you can have hundreds of thousands of threads.	o
Sure, but that's not necessarily the most scalable way to architect an application.	p
But a socket is much more resource intensive than a thread...	o
The question is not one of more sockets versus more threads.	o
It's how many threads per socket.	o
@Zombies in what sense?	o
Beyond the fact that a thread costs you half a megabyte and a socket costs you a few dozen kilobytes they are barely comparable at all.	o
The number of connections you're talking about tells me you should use java.net.	o
Really, there's no reason to complexify your task with non-blocking I/O.	o

What Java implemenations exists?

o

Pros and cons for them?

o

I'm aware of Lucene, any other solution or Lucene is best?

o

I found these, anyone has experience with them?

o

URL_http://www.dcs.shef.ac.uk/~sam/simmetrics.html [SimMetrics] URL_http://ngramj.sourceforge.net/ [NGramJ] .

o

Commons Lang has an implementation of URL_http://commons.apache.org/lang/apido cs/org/apache/commons/lang3/StringUtils.html#getLevenshteinDistance%28java.lan g.CharSequence,%20java.lang.CharSequence%29 [Levenshtein-distance] .

o

Commons Codec has an implementation of URL_http://commons.apache.org/proper /commons-codec/apidocs/org/apache/commons/codec/language/Soundex.html [soundex] and URL_http://commons.apache.org/proper/commons- codec/apidocs/org/apache/commons/codec/language/Metaphone.html [metaphone] .

o

SimMetrics is probably what you need: URL_http://sourceforge.net/projects/simmetrics/ [ URL_http://sourceforge.net/projects/simmetrics/ ] It has several algorithms for calculating various flavours of edit-distance.

o

Lucene is a very powerful full-text search engine, but FT search isn't exactly the same thing as fuzzy string matching (eg.

p

given a list of strings find me the one that is most similar to some candidate string).

o

simmetrics looks to be GPL v2, however, so not compatible with commercially developed software.

o

To Lucene I would add SOLR URL_http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters [ URL_http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters ] .

o

URL_http://lucene.apache.org/ [Apache-Lucene] is the only way, I think.

o

I don't know any better search lib.

o

Apache Lucene(TM) is a high-performance, full-featured text search engine library written entirely in Java.

p

It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.

n

You can try bitap.

o

I was playing with bitap written in ANSI C and it was pretty fast there is java implementation in URL_http://www.crosswire.org [ URL_http://www.crosswire.org ] .

p

File Manipulation libraries.

o

I have a project which I need to manipulate files.

o

things like: create new file by a defined structure(header,data,trail).

o

and then I need to things like search/validate/create/read.

o

basically I want to map the files to objects and vise versa.

o

(I am willing to map them to objects coz it will be much more comfortable for me to manipulate the fields inside each file via object) I wonder if any of you deal with such things before?

o

and maybe could recommend me on libraries which could easy my work.

p

thanks,ray.

o

You may want to look at serialization and de-serialization .

o

serialization wont help me here.

o

I want my own structure in the file since some1 else need to read it by a specific structure.

o

serialization wont map the object to the file in the way I want it.

o

If you want custom mapping, you need custom coding.

o

I would suggest you look at DataInputStream and DataOutputStream.

o

Using these you can control the header, records and footer in any binary format you want.

o

I suggest you generate your serialization (if you need to have the afstest possible speed) or use reflections to do the translation.

o

Just using reflection is pretty fast and much simpler than generating code.

p

;) .

o

but Serialization will make it binary.

o

I want it to remine text.

o

In that case I would serialize as text.

o

;) With the built in Serialization you have no choice, but if you do it yourself, you can make it anything you want.

o

For example, all my objects serialize and deserialize in CSV format i.e.

o

you can read it in excel.

p

;) You could use XML or JSon with XStream.

o

If you have a defined file layout with different content you should consider to use a template engine like URL_http://freemarker.sourceforge.net/ [FreeMarker] or URL_http://velocity.apache.org/ [Velocity] to generate your files.You can define templates here which will be filled with your dynamic content which you have to provide.

o

Definitly better than to use CODETERM1 (I mean hard code your template text).

n

A library which helps for basic file manipulation is URL_http://commons.apache.org/io/ [Apache-Commons-IO] .

o

If you realy want to map your files to objects than it would be a Serialization/Deserialization as Angelom mentions.

o

Many libraries help you to do this but the file format is fixed: JSON: URL_http://jackson.codehaus.org/ [Jackson] , URL_http://code.google.com/p/google-gson/ [GSON] XML: URL_http://jaxb.java.net/ [JAXB] .

o

Are those libraries able to sanely produce binary output?

o

As far as I know they are focused on text-based output formats.

p

@Joachim The libraries work with text output (that is what _rayman_ needs if I understand it correct).

p

He doesn't mention if he wants text or binary, actually but from what I understand he want's the library to help him with parsing/reading as well.

p

And that's where those template libraries fall flat.

o

He want's text (see comment in answer from Lawrey).

o

Using templates to generate his files will definitly help - particularly if his files contains lot text around the object info.

o

You are right - reading is not included - thus I only mentioned generation of his files.

o

I tried to give help and some ideas - I thought that would be requested.

o

Unfortunately I do not know the library he want's.

n

If you want the file read by 3rd party as well, how about using some popular existing exchange format such as CSV or XML?

o

XML is fully supported in standard library.

p

There's plenty of CSV libraries out there, including URL_http://commons.apache.org/sandbox/csv/ [Apache- Commons-CSV] .

o

I am not required to use XML format.

o

only a specific format which is defined by the company.

o

that format is TXT and I wanted to convert all those files to objects.. something like ORM.

o

In the end I Found a ORM framework called Canyon which mapping Files to Objects.

o

but still had difficulties.

n

so I have implemented my own ORM file to objects and vise versa.

o

java.net versus java.nio.

o

At what point is it better to switch from java.net to java.nio?

o

.net (not the Microsoft entity) is easier to understand and more familiar, while nio is scalable, and comes with some extra nifty features.

p

Specifically, I need to make a choice for this situation: We have one control center managing hardware at several remote sites (each site with one computer managing multiple hardware units (a transceiver, TNC, and rotator)).

o

My idea was to have write a sever app on each machine that acts as a gateway from the control center to the radio hardware, with one socket for each unit.

o

From my understanding, NIO is meant for one server, many clients, but what I'm thinking of is one client, many servers.

o

I suppose a third option is to use MINA, but I'm not sure if that's throwing too much at a simple problem.

p

Each remote server will have up to 8 connections, all from the same client (to control all the hardware, and separate TX/RX sockets).

o

The single client will want to connect to several servers at once, though.

o

Instead of putting each server on different ports, is it possible to use channel selectors on the client side, or is it better to go multi-threaded io on the client side of things and configure the servers differently?

o

Actually, since the remote machines serve only to interact with other hardware, would RMI or IDL/CORBA be a better solution?

o

Really, I just want to be able to send commands and receive telemetry from the hardware, and not have to make up some application layer protocol to do it.

o

Avoid NIO unless you have a good reason to use it.

p

URL_http://blog.uncommons.org/2008/09/03/avoid-nio-get-better-throughput/ [It's-not-much-fun-and-may-not-be-as-beneficial-as-you-would-think] .

o

You may get better scalability once you are dealing with tens of thousands of connections, but at lower numbers you'll probably get better throughput with blocking IO.

n

As always though, make your own measurements before committing to something you might regret.

n

Something else to consider is that if you want to use SSL, NIO makes it extremely painful.

o

Thanks for the remark about SSL, this will probably drive my decision.

o

Scalability will probably drive your choice of package.

o

java.net will require one thread per socket.

o

Coding it will be significantly easier.

o

java.nio is much more efficient, but can be hairy to code around.

n

I would ask yourself how many connections you expect to be handling.

o

If it's relatively few (say, < 100), I'd go with java.net.

o

With a modern 64-bit OS you can have hundreds of thousands of threads.

o

Sure, but that's not necessarily the most scalable way to architect an application.

p

But a socket is much more resource intensive than a thread...

o

The question is not one of more sockets versus more threads.

o

It's how many threads per socket.

o

@Zombies in what sense?

o

Beyond the fact that a thread costs you half a megabyte and a socket costs you a few dozen kilobytes they are barely comparable at all.

o

The number of connections you're talking about tells me you should use java.net.

o

Really, there's no reason to complexify your task with non-blocking I/O.

o