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Here’s a little picture of the different sections of text in a single parsed argument and which properties of the resultant argument object they are assigned to.

You’ll see, from left to right, outerSpace, modifier, innerSpace, inactivePrefix, input/data, inactiveSuffix.

The example text is from the Catalan example, “compra mitjons amb el Google,” meaning “buy socks with Google.” You’ll notice the argument “amb el Google” is literally “with the Google.” The normalizeArgument() method of the Catalan parser, as I described earlier this week, strips the article “el ” and puts it in the inactivePrefix property of the argument.

I’m going to spend the rest of the day updating Parser 2 design doc and related documentation so they match these and other recent developments in the parser.

Yesterday I blogged on how to deal with portmanteau’ed prepositions in Ubiquity Parser 2, a common problem in various romance languages. Today I’ll propose an approach to another romantic problem.

The problem:

Weak pronouns in romance languages (as well as some other languages) have a special property where they cliticize to the verb, moving from its regular argument position to a position next to the verb. For example, in French, we have an imperative like (1) with gloss as (2):

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Envoyez  le  lettre à  Pierre!
send.IMP the letter to Pierre

If we replace le lettre or à Pierre with a preposition (le, “it”, or lui, “to him”, respectively), those weak pronouns move next to the verb—in particular, (5) exemplifies the change in word order. Replacing both arguments with prepositions creates the stacked clitic form of (7).¹

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Envoyez-la à  Pierre!
send   -it to Pierre
Envoyez-lui la  lettre!
send   -him the letter
Envoyez-le-lui!
send   -it-him

The fact that these weak pronouns are attached to the verb and lack separate delimiters mean that we will need a separate mechanism to parse these arguments: indeed, this functionality has been planned in Ubiquity Parser 2 as “step 3”. Here I’ll examine some data and discuss a strategy for the parsing of weak pronouns.

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The problem:

In many romance languages, prepositions and articles often form portmanteau morphs, combining to form a single word.¹ Some examples include (French) à + le > au, de + le > du, (Catalan) a + el > al, de + les > dels, per + el > pel. Italian has a particularly productive system of portmanteau’ed prepositions and articles… I refer you to the contraction article on Wikipedia.

As I noted a couple weeks ago, however, some combinations do not form portmanteaus.²

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